Description
Match O/U 21.5: Total games in the match over/under 21.5 follow the official match result; the player who wins the match is the settlement, with 50-50 in canceled or unresolved scenarios.
Price history
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Market stats
Odds
24h change
7D change
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30D change
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24h volume
Total volume
Liquidity
All-time high
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All-time low
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Created
May 9, 2026, 23:08
Resolve date
May 11, 2026, 14:47
Position in event
Odds rank
24h volume rank
24h move rank
Status
Resolved
Parent event
Market Outcomes
Event Rules
This market refers to the tennis match between Anna Kalinskaya and Jelena Ostapenko in the Internazionali BNL d'Italia, originally scheduled for May 11, 2026 at 5:00AM ET. This market will resolve to 'Anna Kalinskaya' if Anna Kalinskaya advances against Jelena Ostapenko. This market will resolve to 'Jelena Ostapenko' if Jelena Ostapenko advances against Anna Kalinskaya. 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.