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Sports·WTA Tour

Harmony Tan – Mary Stoiana

1d 8h
Polymarket
Aug 25·3:00 PM
H. TanH. Tan
-
M. StoianaM. Stoiana
-
$33.00 Vol.Polymarket
NEW

Moneyline

$33 Vol.

This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Harmony Tan' if Harmony Tan advances against Mary Stoiana. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Harmony Tan. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to “Tan” if Harmony Tan wins the first set. It will resolve to “Stoiana” if Mary Stoiana wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official Grand Slam match statistics.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to “Tan” if Harmony Tan wins set 2. It will resolve to “Stoiana” if Mary Stoiana wins set 2. If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled (not played at all) or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official Grand Slam match statistics.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game. If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under." A super tie breaker is considered as one (1) set. If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Tan" if Harmony Tan wins by 2 or more sets than Mary Stoiana, based on the final completed score. Otherwise, it will resolve to "Stoiana." If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed equals or exceeds 23. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game. If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Mary Stoiana and Harmony Tan in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Stoiana" if Mary Stoiana wins by 2 or more sets than Harmony Tan, based on the final completed score. Otherwise, it will resolve to "Tan." If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed equals or exceeds 24. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game. If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market will resolve to "Stoiana" if Mary Stoiana wins 4.5 or more total games than Harmony Tan in the upcoming tennis match, scheduled for August 25, 2026 at 11:00AM ET. Otherwise, this market will resolve to "Tan". Games won will be counted across all sets played in the match. A set decided by a tiebreak will count as one game for the winner of that tiebreak, and a match tiebreak played in place of a final set will also count as one game for its winner. If the match is canceled (not played at all), or is delayed beyond 14 days from the scheduled date without completion at 11:59 PM ET, this market will resolve 50-50. If the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under." Any tiebreak in set 2 counts as one (1) game toward the total. If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under." Any first-set tiebreak counts as one (1) game toward the total. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under." Any first-set tiebreak counts as one (1) game toward the total. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under." Any tiebreak in set 2 counts as one (1) game toward the total. If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under." Any first-set tiebreak counts as one (1) game toward the total. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under." Any tiebreak in set 2 counts as one (1) game toward the total. If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.**Harmony Tan faces Mary Stoiana in the first round of 2026 US Open WTA qualifying on hard courts.** Stoiana, the 17th seed and ranked around No. 127-130, enters with stronger recent hard-court results, including qualifier wins at the Cincinnati Open and solid showings on the US swing. The 23-year-old American has climbed the rankings in 2026 with consistent performances. Tan, a 28-year-old French veteran ranked outside the top 200, brings Grand Slam experience but has posted mixed challenger-level results this summer, including a retirement on hard courts. The match marks their first meeting, with surface and recent form positioning Stoiana as the consensus favorite in trader pricing while highlighting Tan’s potential for competitive sets given her baseline consistency.

This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET.

This market will resolve to 'Harmony Tan' if Harmony Tan advances against Mary Stoiana.

This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Harmony Tan.

If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.

If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.

If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.

The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
Volume
$33
End Date
Sep 1, 2026
Market Opened
Aug 23, 2026, 6:14 PM ET

Resolution Source

https://www.wtatennis.com/scores

Resolver

0x65070BE91...
This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Harmony Tan' if Harmony Tan advances against Mary Stoiana. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Harmony Tan. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.

Beware of external links.

Frequently Asked Questions

The “M. Stoiana vs. H. Tan” market on Polymarket lets you trade on the outcome of the WTA Tour game between the Mary Stoiana and the Harmony Tan, scheduled for August 25, 2026 at 11:00 AM ET. The primary market is the moneyline — which team will win the game — where M. Stoiana is currently priced at 73¢ (73% implied probability) and H. Tan at 27¢ (27%). Beyond the moneyline, sports markets on Polymarket may feature spreads, totals (over/under), and player props, giving you multiple ways to trade on this game. Prices reflect real-time crowd-sourced probabilities. Shares in the correct outcome pay out $1 each when the market resolves after the game ends.

As of now, the “M. Stoiana vs. H. Tan” market has generated $33 in total trading volume across all market types (moneyline, spreads, totals, and player props). This volume reflects active engagement from the Polymarket trading community, and a deeper pool of traders generally means more informative, reliable odds. You can track live price movements and trade on any market directly on this page.

To trade on “M. Stoiana vs. H. Tan,” start by choosing the market type you want to trade: Moneyline (which team wins), Spreads (margin of victory), Totals (combined score over/under), or Player Props (individual player stat lines). Each market shows the current price for each side — for example, the moneyline shows STOIANA at 73¢ and TAN at 27¢. Select the side you want to trade, choose Buy to take a position or Sell to close an existing one, enter your amount, and click Trade. If your chosen side is correct when the game ends and the market resolves, your shares pay out $1 each. If it’s incorrect, they pay out $0. You can also sell your shares at any time before the game ends to lock in a profit or cut a loss.

The current moneyline odds for “M. Stoiana vs. H. Tan” show Mary Stoiana at 73¢ (73% implied probability) and Harmony Tan at 27¢ (27%). All odds update in real-time as traders buy and sell shares, reflecting the latest collective view of how this game will play out. Check back frequently or bookmark this page to follow how the odds shift as game time approaches.

The “M. Stoiana vs. H. Tan” market resolves based on the official final score of the WTA Tour game as reported by WTA Tour’s official results, including overtime if applicable. Moneyline markets resolve to the team that wins the game. Spread markets resolve based on the final margin of victory relative to the posted line. Totals (over/under) markets resolve based on the combined final score of both teams. Player prop markets resolve based on official box score statistics. If the game is postponed or canceled, the market resolution rules (available in the Rules section on this page) specify how that scenario is handled. We recommend reviewing the full resolution criteria before trading.
Sports·WTA Tour

Harmony Tan – Mary Stoiana

1d 8h
Polymarket
Aug 25·3:00 PM
H. TanH. Tan
-
M. StoianaM. Stoiana
-
$33.00 Vol.Polymarket
NEW

Moneyline

$33 Vol.

This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Harmony Tan' if Harmony Tan advances against Mary Stoiana. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Harmony Tan. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to “Tan” if Harmony Tan wins the first set. It will resolve to “Stoiana” if Mary Stoiana wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official Grand Slam match statistics.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to “Tan” if Harmony Tan wins set 2. It will resolve to “Stoiana” if Mary Stoiana wins set 2. If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled (not played at all) or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official Grand Slam match statistics.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game. If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under." A super tie breaker is considered as one (1) set. If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Tan" if Harmony Tan wins by 2 or more sets than Mary Stoiana, based on the final completed score. Otherwise, it will resolve to "Stoiana." If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed equals or exceeds 23. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game. If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Mary Stoiana and Harmony Tan in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Stoiana" if Mary Stoiana wins by 2 or more sets than Harmony Tan, based on the final completed score. Otherwise, it will resolve to "Tan." If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed equals or exceeds 24. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game. If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. The primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.This market will resolve to "Stoiana" if Mary Stoiana wins 4.5 or more total games than Harmony Tan in the upcoming tennis match, scheduled for August 25, 2026 at 11:00AM ET. Otherwise, this market will resolve to "Tan". Games won will be counted across all sets played in the match. A set decided by a tiebreak will count as one game for the winner of that tiebreak, and a match tiebreak played in place of a final set will also count as one game for its winner. If the match is canceled (not played at all), or is delayed beyond 14 days from the scheduled date without completion at 11:59 PM ET, this market will resolve 50-50. If the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under." Any tiebreak in set 2 counts as one (1) game toward the total. If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under." Any first-set tiebreak counts as one (1) game toward the total. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under." Any first-set tiebreak counts as one (1) game toward the total. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under." Any tiebreak in set 2 counts as one (1) game toward the total. If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under." Any first-set tiebreak counts as one (1) game toward the total. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under." Any tiebreak in set 2 counts as one (1) game toward the total. If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official Grand Slam results.**Harmony Tan faces Mary Stoiana in the first round of 2026 US Open WTA qualifying on hard courts.** Stoiana, the 17th seed and ranked around No. 127-130, enters with stronger recent hard-court results, including qualifier wins at the Cincinnati Open and solid showings on the US swing. The 23-year-old American has climbed the rankings in 2026 with consistent performances. Tan, a 28-year-old French veteran ranked outside the top 200, brings Grand Slam experience but has posted mixed challenger-level results this summer, including a retirement on hard courts. The match marks their first meeting, with surface and recent form positioning Stoiana as the consensus favorite in trader pricing while highlighting Tan’s potential for competitive sets given her baseline consistency.

This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET.

This market will resolve to 'Harmony Tan' if Harmony Tan advances against Mary Stoiana.

This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Harmony Tan.

If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.

If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.

If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.

The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
Volume
$33
End Date
Sep 1, 2026
Market Opened
Aug 23, 2026, 6:14 PM ET

Resolution Source

https://www.wtatennis.com/scores

Resolver

0x65070BE91...
This market refers to the tennis match between Harmony Tan and Mary Stoiana in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Harmony Tan' if Harmony Tan advances against Mary Stoiana. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Harmony Tan. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.

Beware of external links.

Frequently Asked Questions

The “M. Stoiana vs. H. Tan” market on Polymarket lets you trade on the outcome of the WTA Tour game between the Mary Stoiana and the Harmony Tan, scheduled for August 25, 2026 at 11:00 AM ET. The primary market is the moneyline — which team will win the game — where M. Stoiana is currently priced at 73¢ (73% implied probability) and H. Tan at 27¢ (27%). Beyond the moneyline, sports markets on Polymarket may feature spreads, totals (over/under), and player props, giving you multiple ways to trade on this game. Prices reflect real-time crowd-sourced probabilities. Shares in the correct outcome pay out $1 each when the market resolves after the game ends.

As of now, the “M. Stoiana vs. H. Tan” market has generated $33 in total trading volume across all market types (moneyline, spreads, totals, and player props). This volume reflects active engagement from the Polymarket trading community, and a deeper pool of traders generally means more informative, reliable odds. You can track live price movements and trade on any market directly on this page.

To trade on “M. Stoiana vs. H. Tan,” start by choosing the market type you want to trade: Moneyline (which team wins), Spreads (margin of victory), Totals (combined score over/under), or Player Props (individual player stat lines). Each market shows the current price for each side — for example, the moneyline shows STOIANA at 73¢ and TAN at 27¢. Select the side you want to trade, choose Buy to take a position or Sell to close an existing one, enter your amount, and click Trade. If your chosen side is correct when the game ends and the market resolves, your shares pay out $1 each. If it’s incorrect, they pay out $0. You can also sell your shares at any time before the game ends to lock in a profit or cut a loss.

The current moneyline odds for “M. Stoiana vs. H. Tan” show Mary Stoiana at 73¢ (73% implied probability) and Harmony Tan at 27¢ (27%). All odds update in real-time as traders buy and sell shares, reflecting the latest collective view of how this game will play out. Check back frequently or bookmark this page to follow how the odds shift as game time approaches.

The “M. Stoiana vs. H. Tan” market resolves based on the official final score of the WTA Tour game as reported by WTA Tour’s official results, including overtime if applicable. Moneyline markets resolve to the team that wins the game. Spread markets resolve based on the final margin of victory relative to the posted line. Totals (over/under) markets resolve based on the combined final score of both teams. Player prop markets resolve based on official box score statistics. If the game is postponed or canceled, the market resolution rules (available in the Rules section on this page) specify how that scenario is handled. We recommend reviewing the full resolution criteria before trading.

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