Hailey Baptiste's dramatic quarterfinal upset over world No.1 Aryna Sabalenka—saving six match points in a 2-6, 6-2, 7-6(6) thriller—propels the No.32-ranked American into her first WTA 1000 semifinal on clay at the Madrid Open, marking her as a momentum-driven underdog. No.8 seed Mirra Andreeva, seeking her first Madrid final, leads their head-to-head 1-0 after a 6-1, 6-3 Wimbledon third-round win last year and counters with elite clay form, including a Linz title, Stuttgart semifinal, and a resilient quarterfinal comeback past Leylah Fernandez by saving three set points. Traders weigh Baptiste's aggressive "revenge tour" against Andreeva's superior rankings, 81% clay win rate, and emotional resets in tight matches.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated1st Set
This market will resolve to 'Hailey Baptiste' if Hailey Baptiste advances against Mirra Andreeva.
This market will resolve to 'Mirra Andreeva' if Mirra Andreeva advances against Hailey Baptiste.
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 WTA Tour. A consensus of credible reporting may also be used.
Market Opened: Apr 28, 2026, 6:00 PM ET
Resolution Source
https://www.wtatennis.com/scoresResolver
0x65070BE91...1st Set
This market will resolve to 'Hailey Baptiste' if Hailey Baptiste advances against Mirra Andreeva.
This market will resolve to 'Mirra Andreeva' if Mirra Andreeva advances against Hailey Baptiste.
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 WTA Tour. A consensus of credible reporting may also be used.
Market Opened: Apr 28, 2026, 6:00 PM ET
Resolution Source
https://www.wtatennis.com/scoresResolver
0x65070BE91...Hailey Baptiste's dramatic quarterfinal upset over world No.1 Aryna Sabalenka—saving six match points in a 2-6, 6-2, 7-6(6) thriller—propels the No.32-ranked American into her first WTA 1000 semifinal on clay at the Madrid Open, marking her as a momentum-driven underdog. No.8 seed Mirra Andreeva, seeking her first Madrid final, leads their head-to-head 1-0 after a 6-1, 6-3 Wimbledon third-round win last year and counters with elite clay form, including a Linz title, Stuttgart semifinal, and a resilient quarterfinal comeback past Leylah Fernandez by saving three set points. Traders weigh Baptiste's aggressive "revenge tour" against Andreeva's superior rankings, 81% clay win rate, and emotional resets in tight matches.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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