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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider | 50% | — | — | 49¢ · 50¢ (1¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Set Handicap +/-1.5 | 50% | — | — | 50¢ · 51¢ (1¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Set 1 O/U 9.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| Completed Match | 0% | — | — | — · 8¢ | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Set 1 Winner | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Total Sets: O/U 2.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Set 2 Winner | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Match O/U 21.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Set 2 O/U 8.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Set 1 O/U 8.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Match O/U 22.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Set 2 O/U 9.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Set Handicap +/-1.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Set 1 O/U 10.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Match O/U 23.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider Set 2 O/U 10.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
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This market refers to the doubles tennis match between Kostyuk/Ruse and Mertens/Shnaider in the US Open WTA, originally scheduled for September 5, 2026 at 11:00AM ET. This market will resolve to 'Kostyuk/Ruse' if the team of Kostyuk/Ruse advances against Mertens/Shnaider. This market will resolve to 'Mertens/Shnaider' if the team of Mertens/Shnaider advances against Kostyuk/Ruse. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 19, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.
Sources: Polymarket's Gamma API, its CLOB price history and its Data API, read every two minutes. Prices are each outcome's Yes price, which is the market's probability: 50¢ for US Open WTA (Doubles): Kostyuk/Ruse vs Mertens/Shnaider means the market gives it about 50%.