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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open WTA: Mirra Andreeva vs Janice Tjen | 100% | +13 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Game Spread +/-5.5 | 100% | +45 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Total Sets: O/U 2.5 | 0% | −25 pts | — | — · <1¢ | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Set 1 Winner | 100% | +21 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Set Handicap +/-1.5 | 100% | +32 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Set 2 Winner | 100% | +21 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Set 1 O/U 8.5 | 0% | −57 pts | — | — · 1¢ | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Match O/U 21.5 | 0% | −39 pts | — | — · <1¢ | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Set 2 O/U 8.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Set 1 O/U 9.5 | 0% | −39 pts | — | — · 1¢ | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Match O/U 22.5 | 0% | −36 pts | — | — · <1¢ | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Set 2 O/U 9.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Match O/U 23.5 | 0% | −26 pts | — | — · <1¢ | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Set 2 O/U 10.5 | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open WTA: Mirra Andreeva vs Janice Tjen Set 1 O/U 10.5 | 0% | −32 pts | — | — · 1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 52d | johnnnnnnn | US Open WTA: Mirra Andreeva vs Janice Tjen | SellMirra Andreeva>99¢ | $1,998 | −$2 −0.1% | — |
| 52d | Decisive-CloseNew account | US Open WTA: Mirra Andreeva vs Janice Tjen | SellMirra Andreeva>99¢ | $1,722 | −$2 −0.1% | — |
| 52d | Katniss Everdeen2 fills | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva99¢ → 100¢ | $16,498 | +$159 +1.0% | 4 |
| 52d | Flaznorp2 fills | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva97¢ → 100¢ | $3,145 | +$97 +3.1% | 4 |
| 52d | johnnnnnnn | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva97¢ → 100¢ | $1,940 | +$60 +3.1% | 4 |
| 52d | Piercing-Strip-Rust | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva93¢ → 100¢ | $4,600 | +$346 +7.5% | 6 |
| 52d | Decisive-CloseNew account | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva87¢ → 100¢ | $1,500 | +$224 +15% | 5 |
| 52d |  Earth-Bender | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva85¢ → 100¢ | $2,445 | +$431 +18% | 5 |
| 52d | saltibiscoti | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva86¢ → 100¢ | $3,540 | +$576 +16% | 5 |
| 52d |  mooseborzoi3 fills | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva85¢ → 100¢ | $5,580 | +$960 +17% | 5 |
| 52d | DenisUndav | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva86¢ → 100¢ | $4,800 | +$781 +16% | 5 |
| 52d | Substantial-Service | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyJanice Tjen13¢ → 0¢ | $4,174 | −$4,174 −100% | 6 |
| 52d | Flaznorp | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyJanice Tjen13¢ → 0¢ | $2,182 | −$2,182 −100% | 6 |
| 52d |  hobo69 | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva85¢ → 100¢ | $2,550 | +$450 +18% | 5 |
| 52d | KevinEZM427 | US Open WTA: Mirra Andreeva vs Janice Tjen | BuyMirra Andreeva87¢ → 100¢ | $8,000 | +$1,195 +15% | 5 |
| 53d | JAMJAMJAM4 | US Open WTA: Mirra Andreeva vs Janice Tjen Game Spread +/-5.5 | BuyAndreeva55¢ → 100¢ | $2,695 | +$2,205 +82% | 6 |
This market refers to the tennis match between Mirra Andreeva and Janice Tjen in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Mirra Andreeva' if Mirra Andreeva advances against Janice Tjen. This market will resolve to 'Janice Tjen' if Janice Tjen advances against Mirra Andreeva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 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 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.
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: 100¢ for US Open WTA: Mirra Andreeva vs Janice Tjen means the market gives it about 100%.