Tallon Griekspoor enters this National Bank Open round-of-16 clash on hard courts with strong recent momentum after upsetting world No. 3 Alexander Zverev in straight sets and defeating Matteo Arnaldi, extending a three-match winning streak at the ATP Masters 1000 event. The Dutch veteran, currently ranked around No. 69, brings hard-court experience and a proven ability to handle top opposition despite a mixed 2026 season record. Opponent Daniel Merida Aguilar, a 21-year-old Spaniard ranked near No. 63 with a career-high of 59, matches that streak after victories over Alex Michelsen and Ugo Humbert, backed by an earlier ATP title and solid 12-7 year-to-date mark. Their first meeting pits Griekspoor’s tactical steadiness against Merida’s rising form and aggressive baseline play, with trader consensus reflecting the narrow edge for the more seasoned player amid typical Masters-level variability.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAll Sports
MLB
UFC
All
UEFA Champions League
Premier League
MLS
Club Friendlies
LaLiga
Serie A
K League 2
Eliteserien
Brasileirão Série A
Allsvenskan
Categoría Primera A
Copa Sudamericana
Liga Nacional de Guatemala
K League 1
UEFA Conference League
Uruguayan Primera División
Brasileirão Série B
Chinese Super League
Liga MX
DFB-Pokal
Ligue 1
Bolivian Primera División
Primeira Liga
UEFA Europa League
Copa Libertadores
J2 League
USL League One
Saudi Pro League
USL Championship
Superettan
Bundesliga
Ekstraklasa
Liga de Primera
Primera Nacional
efbet Liga
SuperLiga
Eredivisie
Kazakhstan Premier League
Danish Superliga
Ligue 2
Scottish Premiership
China League One
Ukrainian Premier League
Süper Lig
J1 League
League of Ireland Premier Division
Categoría Primera B
Copa do Brasil
Veikkausliiga
Primera B (Chile)
Virslīga
Eerste Divisie
EFL Championship
ÖFB Cup
Scotland League Cup
OBOS-ligaen
Uzbekistan Super League
Leagues Cup
LaLiga2
NWSL
Austria Bundesliga
Niké liga
UEFA Women's Champions League
Besta deild karla
NB I
Israeli Premier League
Serbian SuperLiga
Slovenia PrvaLiga
Brasileirão Série C
A Lyga
2. Bundesliga
Belgium Pro League
Australia Cup
LigaPro Serie A
National League
Scottish Cup
Chance Liga
Greece Super League
Greek Cup
League Two
TFF Süper Kupa
Turkey 1. Lig
Swiss Super League
League One
Prva Liga
Qatar Stars League
Premium Liiga
Liga FPD
Egyptian Premier League
Liga 1
ASEAN Championship
Venezuelan Primera División
Copa Argentina
Coppa Italia
A-League Men
Liga Profesional de Fútbol
EFL CUP
Taça de Portugal
KNVB Beker
Erovnuli Liga
Challenger Pro League
UAE Pro League
Serie B
Betri deildin
German Super Cup
Hockey
Cycling
Poker
Chess
Pickleball
Volleyball
Esports
Tallon Griekspoor – Daniel Merida Aguilar
Moneyline
$534K Vol.
This market will resolve to 'Tallon Griekspoor' if Tallon Griekspoor advances against Daniel Merida Aguilar.
This market will resolve to 'Daniel Merida Aguilar' if Daniel Merida Aguilar advances against Tallon Griekspoor.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Aug 8, 2026, 12:00 AM ET
Resolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...Tallon Griekspoor – Daniel Merida Aguilar
Moneyline
$534K Vol.
This market will resolve to 'Tallon Griekspoor' if Tallon Griekspoor advances against Daniel Merida Aguilar.
This market will resolve to 'Daniel Merida Aguilar' if Daniel Merida Aguilar advances against Tallon Griekspoor.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Aug 8, 2026, 12:00 AM ET
Resolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...Tallon Griekspoor enters this National Bank Open round-of-16 clash on hard courts with strong recent momentum after upsetting world No. 3 Alexander Zverev in straight sets and defeating Matteo Arnaldi, extending a three-match winning streak at the ATP Masters 1000 event. The Dutch veteran, currently ranked around No. 69, brings hard-court experience and a proven ability to handle top opposition despite a mixed 2026 season record. Opponent Daniel Merida Aguilar, a 21-year-old Spaniard ranked near No. 63 with a career-high of 59, matches that streak after victories over Alex Michelsen and Ugo Humbert, backed by an earlier ATP title and solid 12-7 year-to-date mark. Their first meeting pits Griekspoor’s tactical steadiness against Merida’s rising form and aggressive baseline play, with trader consensus reflecting the narrow edge for the more seasoned player amid typical Masters-level variability.
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.
Beware of external links.
Beware of external links.
Beware of external links.
Frequently Asked Questions