Loading your workspacePreparing the page and its market data.
Polymarket · SportsClosed
Loading the chart…
| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | 0% | −41 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Game Spread +/-1.5 | 100% | +47 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 2 Winner | 0% | −44 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Match O/U 22.5 | 100% | +49 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 1 Winner | 0% | −46 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set Handicap +/-1.5 | 100% | +64 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Match O/U 21.5 | 100% | +42 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set Handicap +/-1.5 | 0% | −24 pts | — | — · 1¢ | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 1 O/U 8.5 | 100% | +21 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Total Sets: O/U 2.5 | 0% | −41 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 2 O/U 8.5 | 100% | +50 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 1 O/U 9.5 | 100% | +45 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 2 O/U 9.5 | 100% | +50 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 1 O/U 10.5 | 0% | −28 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Match O/U 23.5 | 0% | −45 pts | — | — · <1¢ | — | ended |
| US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 2 O/U 10.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 49d | Cbrojasg | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | SellRei Sakamoto>99¢ | $1,641 | −$2 −0.1% | — |
| 49d | eugenepol0 | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | SellRei Sakamoto>99¢ | $2,715 | −$3 −0.1% | — |
| 49d | NiNo999 | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | SellRei Sakamoto>99¢ | $8,407 | −$8 −0.1% | — |
| 49d | MartelloneNando | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | SellRei Sakamoto>99¢ | $3,306 | −$3 −0.1% | — |
| 49d | Paul9739732 fills | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto>99¢ | $3,100 | +$11 +0.4% | 4 |
| 49d | aidiaz13 | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto99¢ → 100¢ | $1,380 | +$10 +0.7% | 4 |
| 49d | MORGANVIII | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto98¢ → 100¢ | $9,795 | +$205 +2.1% | 4 |
| 49d | Flaznorp | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto92¢ → 100¢ | $2,760 | +$245 +8.9% | 5 |
| 49d | eugenepol0 | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto92¢ → 100¢ | $2,500 | +$217 +8.7% | 5 |
| 49d |  Plus-EV | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | SellRei Sakamoto81¢ → 100¢ | $1,513 | −$355 −23% | — |
| 49d | Cbrojasg | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto81¢ → 100¢ | $1,331 | +$312 +23% | 5 |
| 49d |  TRCM2 fills | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto84¢ → 100¢ | $8,722 | +$1,703 +20% | 5 |
| 49d | 0xf3a1…bf4b | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyKei Nishikori20¢ → 0¢ | $3,810 | −$3,810 −100% | 6 |
| 49d | MartelloneNando | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto83¢ → 100¢ | $2,746 | +$563 +20% | 5 |
| 49d |  tradecraft | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto81¢ → 100¢ | $2,491 | +$584 +23% | 5 |
| 49d | flatbarrel | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto82¢ → 100¢ | $7,380 | +$1,620 +22% | 5 |
| 49d | hurrican | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto77¢ → 100¢ | $4,479 | +$1,309 +29% | 6 |
| 49d | ferrariChampions2026 | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyKei Nishikori25¢ → 0¢ | $2,191 | −$2,191 −100% | 6 |
| 49d |  88M2 fills | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto55¢ → 100¢ | $2,205 | +$1,837 +83% | 6 |
| 49d | Sick-Backyard | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyKei Nishikori44¢ → 0¢ | $1,173 | −$1,173 −100% | 6 |
| 50d | NiNo999 | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto59¢ → 100¢ | $5,000 | +$3,416 +68% | 6 |
| 50d | dv-pm | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto58¢ → 100¢ | $1,112 | +$805 +72% | 6 |
| 50d |  ForAndWithYou | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyKei Nishikori42¢ → 0¢ | $1,045 | −$1,045 −100% | 6 |
| 50d | Lorolorota09 | US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto | BuyRei Sakamoto61¢ → 100¢ | $9,759 | +$6,183 +63% | 6 |
This market refers to the tennis match between Kei Nishikori and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 27, 2026 at 11:00AM ET. This market will resolve to 'Kei Nishikori' if Kei Nishikori advances against Rei Sakamoto. This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Kei Nishikori. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 10, 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 ATP 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: 0¢ for US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto means the market gives it about 0%.