Oliynykova enters as the clear favorite in this US Open first-round matchup on outdoor hard courts, holding the No. 46 WTA ranking with a 22-16 season record that includes recent hard-court wins over Mayar Sherif and Elvina Kalieva plus straight-sets victories in prior clay events. Brantmeier, a 21-year-old American wild card ranked well outside the top 400, brings a 14-6 2026 ledger built mostly at ITF and lower-tier WTA levels, including a Newport grass run and several challenger wins. The Ukrainian’s superior experience at Grand Slams, stronger recent hard-court results against higher-ranked opponents, and consistent baseline game position her ahead, though Brantmeier’s home-crowd support and aggressive style create realistic upset potential on a fast surface where underdogs occasionally capitalize on early-round nerves.
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Oleksandra Oliynykova – Reese Brantmeier
Moneyline
$469 Vol.
This market will resolve to 'Oleksandra Oliynykova' if Oleksandra Oliynykova advances against Reese Brantmeier.
This market will resolve to 'Reese Brantmeier' if Reese Brantmeier advances against Oleksandra Oliynykova.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 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.
Market Opened: Aug 28, 2026, 12:14 AM ET
Resolution Source
https://www.wtatennis.com/scoresResolver
0x65070BE91...Oleksandra Oliynykova – Reese Brantmeier
Moneyline
$469 Vol.
This market will resolve to 'Oleksandra Oliynykova' if Oleksandra Oliynykova advances against Reese Brantmeier.
This market will resolve to 'Reese Brantmeier' if Reese Brantmeier advances against Oleksandra Oliynykova.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 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.
Market Opened: Aug 28, 2026, 12:14 AM ET
Resolution Source
https://www.wtatennis.com/scoresResolver
0x65070BE91...Oliynykova enters as the clear favorite in this US Open first-round matchup on outdoor hard courts, holding the No. 46 WTA ranking with a 22-16 season record that includes recent hard-court wins over Mayar Sherif and Elvina Kalieva plus straight-sets victories in prior clay events. Brantmeier, a 21-year-old American wild card ranked well outside the top 400, brings a 14-6 2026 ledger built mostly at ITF and lower-tier WTA levels, including a Newport grass run and several challenger wins. The Ukrainian’s superior experience at Grand Slams, stronger recent hard-court results against higher-ranked opponents, and consistent baseline game position her ahead, though Brantmeier’s home-crowd support and aggressive style create realistic upset potential on a fast surface where underdogs occasionally capitalize on early-round nerves.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedBeware of external links.
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