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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| US Open ATP: Rei Sakamoto vs Frances Tiafoe | 0% | −22 pts | — | — · <1¢ | — | ended |
| Completed Match | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Total Sets: O/U 3.5 | 0% | −59 pts | — | — · <1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 2 Winner | 0% | −32 pts | — | — · <1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 1 Winner | 0% | −33 pts | — | — · <1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set Handicap +/-1.5 | 100% | +39 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Match O/U 36.5 | 0% | −52 pts | — | — · 1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 3 Winner | 0% | −50 pts | — | — · 1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Match O/U 38.5 | 0% | −48 pts | — | — · 1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 1 O/U 9.5 | 0% | −48 pts | — | — · <1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set Handicap +/-2.5 | 100% | +66 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Game Spread +/-4.5 | 100% | +44 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set Handicap +/-1.5 | 0% | −5 pts | — | — · 20¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Total Sets: O/U 4.5 | 0% | −25 pts | — | — · 1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 2 O/U 8.5 | 100% | +50 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 1 O/U 8.5 | 100% | +34 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 2 O/U 9.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set Handicap +/-2.5 | 0% | −5 pts | — | — · <1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 4 Winner | 50% | — | — | — · 100¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Match O/U 40.5 | 0% | −42 pts | — | — · 1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 2 O/U 10.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 1 O/U 10.5 | 0% | −38 pts | — | — · <1¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 3 O/U 8.5 | 100% | +50 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 3 O/U 9.5 | 100% | +41 pts | — | 80¢ · 100¢ (20¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 3 O/U 10.5 | 100% | +40 pts | — | 80¢ · 100¢ (20¢) | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 4 O/U 8.5 | 50% | — | — | — · 100¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 4 O/U 9.5 | 50% | — | — | — · 100¢ | — | ended |
| US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 4 O/U 10.5 | 50% | — | — | — · 100¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 51d | hanlun | US Open ATP: Rei Sakamoto vs Frances Tiafoe | SellFrances Tiafoe>99¢ | $1,959 | −$2 −0.1% | — |
| 51d | Omnipollo44 | US Open ATP: Rei Sakamoto vs Frances Tiafoe | SellFrances Tiafoe99¢ → 100¢ | $11,720 | −$118 −1.0% | — |
| 51d |  mooseborzoi5 fills | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe86¢ → 100¢ | $18,896 | +$3,138 +17% | 5 |
| 51d | Omnipollo44 | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe92¢ → 100¢ | $10,891 | +$947 +8.7% | 5 |
| 51d |  0xwise | US Open ATP: Rei Sakamoto vs Frances Tiafoe | SellRei Sakamoto4¢ → 0¢ | $2,217 | +$2,217 +100% | — |
| 51d | 0xwise2 fills | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyRei Sakamoto17¢ → 0¢ | $8,562 | −$8,562 −100% | 6 |
| 51d | Mad-Wound | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe82¢ → 100¢ | $1,860 | +$408 +22% | 5 |
| 51d | sifonman2 fills | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe83¢ → 100¢ | $2,547 | +$522 +20% | 5 |
| 51d | tennistrader20 | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyRei Sakamoto26¢ → 0¢ | $4,000 | −$4,000 −100% | 6 |
| 51d | Flaznorp | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe85¢ → 100¢ | $1,271 | +$224 +18% | 5 |
| 51d | neutralwave23 | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe85¢ → 100¢ | $9,429 | +$1,664 +18% | 5 |
| 51d | hanlun | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe85¢ → 100¢ | $1,675 | +$287 +17% | 5 |
| 51d | afraz | US Open ATP: Rei Sakamoto vs Frances Tiafoe | SellFrances Tiafoe85¢ → 100¢ | $5,424 | −$986 −18% | — |
| 51d | jcqrubio | US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 1 Winner | BuyTiafoe96¢ → 100¢ | $1,454 | +$63 +4.3% | 4 |
| 51d | 0b16 fills | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe87¢ → 100¢ | $55,596 | +$8,042 +14% | 5 |
| 51d | flatbarrel | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe85¢ → 100¢ | $1,285 | +$228 +18% | 5 |
| 51d | afraz | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe78¢ → 100¢ | $5,000 | +$1,410 +28% | 5 |
| 51d |  hobo69 | US Open ATP: Rei Sakamoto vs Frances Tiafoe Total Sets: O/U 3.5 | BuyOver 3.563¢ → 0¢ | $1,386 | −$1,386 −100% | 6 |
| 51d | Brimoz3 fills | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyRei Sakamoto24¢ → 0¢ | $7,436 | −$7,436 −100% | 6 |
| 51d | ferrariChampions2026 | US Open ATP: Rei Sakamoto vs Frances Tiafoe | BuyFrances Tiafoe77¢ → 100¢ | $1,795 | +$536 +30% | 6 |
TRCM1,700 shares
Mr.Kirk1,000 sharesThis market refers to the tennis match between Rei Sakamoto and Frances Tiafoe in the US Open ATP, originally scheduled for September 2, 2026 at 11:00AM ET. This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Frances Tiafoe. This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Rei Sakamoto. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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 ATP: Rei Sakamoto vs Frances Tiafoe means the market gives it about 0%.