Madrid Open: Aryna Sabalenka vs Hailey Baptiste
Prediction market · Polymarket
Overview
This market refers to the tennis match between Aryna Sabalenka and Hailey Baptiste in the Madrid Open, originally scheduled for April 28, 2026 at 2:00PM ET. This market will resolve to 'Aryna Sabalenka' if Aryna Sabalenka advances against Hailey Baptiste. This market will resolve to 'Hailey Baptiste' if Hailey Baptiste advances against Aryna Sabalenka. 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.
Ticker
wta-sabalen-baptist-2026-04-28
Volume
2.8M
24h volume
2.8M
1w volume
2.8M
Open interest
1.5M
Liquidity
190.8K
Liquidity CLOB
190.8K
Start
Apr 27, 2026
End
May 5, 2026
Status
Active
Access
Restricted
Created
Apr 28, 2026
Resolution source
https://www.wtatennis.com/scores
Event ID
424459
Slug
wta-sabalen-baptist-2026-04-28
Markets
10
Raw event data
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"title": "Madrid Open: Aryna Sabalenka vs Hailey Baptiste",
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"question": "Aryna Sabalenka vs. Hailey Baptiste: Total Sets O/U 2.5",
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"description": "This market refers to the tennis match between Aryna Sabalenka and Hailey Baptiste in the Madrid Open, originally scheduled for April 28, 2026 at 2:00PM ET.\nThis 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.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.",
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}- Set 1 Winner: Sabalenka vs BaptisteVol 108Liq 0End May 5, 2026Closed
- Sabalenka vs. Baptiste: Match O/U 21.5Vol 1.2KLiq 12.0KEnd May 5, 2026OpenOrder book
- Aryna Sabalenka vs. Hailey Baptiste: Total Sets O/U 2.5Vol 339Liq 13.6KEnd May 5, 2026OpenOrder book
- Sabalenka vs. Baptiste: Match O/U 23.5Vol 72Liq 12.6KEnd May 5, 2026OpenOrder book
- Sabalenka vs. Baptiste: Match O/U 22.5Vol 70Liq 12.6KEnd May 5, 2026OpenOrder book
- Madrid Open: Aryna Sabalenka vs Hailey BaptisteVol 2.8MLiq 153.7KEnd May 5, 2026OpenOrder book
- Set Handicap: Sabalenka (-1.5) vs Baptiste (+1.5)Vol 5.9KLiq 26.2KEnd May 5, 2026OpenOrder book
- Sabalenka vs. Baptiste: Set 1 Games O/U 8.5Vol 659Liq 0End May 5, 2026Closed
- Sabalenka vs. Baptiste: Set 1 Games O/U 9.5Vol 187Liq 0End May 5, 2026Closed
- Sabalenka vs. Baptiste: Set 1 Games O/U 10.5Vol 35Liq —End May 5, 2026Closed