This 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.
US Open ATP: Rei Sakamoto vs Frances Tiafoe
ATP
Frances Tiafoe677
Rei Sakamoto36²5Final
Game context
Frances Tiafoe, the No. 11 seed ranked No. 12, enters this US Open second-round match on hard courts with a substantial edge in ranking, Grand Slam experience, and overall ATP results compared to 20-year-old qualifier Rei Sakamoto, ranked No. 157. Tiafoe reached multiple deep US Open runs in prior years and arrived after a strong hard-court stretch that included a Cincinnati final, though he endured a five-set opener against Martin Damm. Sakamoto, a fast-rising Japanese prospect and former junior major champion, earned his main-draw spot by defeating Kei Nishikori in qualifying and secured his first Grand Slam main-draw victory in five sets over Aleksandar Vukic, demonstrating big serving and resilience. This marks their first meeting, with Tiafoe’s superior experience and recent form shaping trader expectations on the hard-court surface.
Moneyline
$386.6K Vol.Match Completed
$2.9K Vol.Set Winner
$2.7K Vol.US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 2 Winner
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 3 Winner
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 4 Winner
Set Total
$2.4K Vol.US Open ATP: Rei Sakamoto vs Frances Tiafoe Total Sets: O/U 3.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 2 O/U 8.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Total Sets: O/U 4.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 2 O/U 9.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 2 O/U 10.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 3 O/U 8.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 3 O/U 9.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 3 O/U 10.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 4 O/U 8.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 4 O/U 9.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 4 O/U 10.5
Total Games
$1.2K Vol.US Open ATP: Rei Sakamoto vs Frances Tiafoe Match O/U 36.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Match O/U 38.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Match O/U 40.5
1st Set Winner
$1.6K Vol.Set Handicap
$1.2K Vol.US Open ATP: Rei Sakamoto vs Frances Tiafoe Set Handicap +/-1.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set Handicap +/-2.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set Handicap +/-1.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set Handicap +/-2.5
1st Set Total
$269 Vol.US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 1 O/U 8.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 1 O/U 9.5
US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 1 O/U 10.5
More Bets
$188 Vol.US Open ATP: Rei Sakamoto vs Frances Tiafoe Game Spread +/-4.5
Rei Sakamoto 3-0
Rei Sakamoto 3-1
Rei Sakamoto 3-2
Frances Tiafoe 3-0
Frances Tiafoe 3-1
Frances Tiafoe 3-2
Not Completed
Resolution Source: www.atptour.com
Odds & FAQ
What are the current odds for US Open ATP: Rei Sakamoto vs Frances Tiafoe?
The current front-runner is Completed Match at 99%, ahead of US Open ATP: Rei Sakamoto vs Frances Tiafoe Set 2 O/U 8.5 at 99%. These live odds update with every trade on the Polymarket order book.
What do traders predict for US Open ATP: Rei Sakamoto vs Frances Tiafoe?
Traders currently imply a 99% chance for Completed Match. Market-implied probabilities reflect real money at stake, but they are live forecasts that shift as new information arrives, not guarantees.
When does the US Open ATP: Rei Sakamoto vs Frances Tiafoe market resolve?
This market is scheduled to resolve on 9 Sep 2026 (7 days left). It settles according to Polymarket's published resolution criteria once the outcome is confirmed.
How much money is trading on US Open ATP: Rei Sakamoto vs Frances Tiafoe?
Total traded volume on this market is $20.3M, a measure of how much real money traders have committed to the outcome.
How can I trade US Open ATP: Rei Sakamoto vs Frances Tiafoe on Polymarket?
You can follow the live odds on this page and open the market on Polymarket to trade it yourself. Prediction trading carries risk; never stake more than you can afford to lose.
Similar Markets
Carlos Alcaraz42%YesNo
Alexander Zverev22%YesNo
Completed Match99%YesNo
US Open ATP: Jaime Faria vs Carlos Alcaraz Set 1 Winner99%YesNo
Aryna Sabalenka23%YesNo
Coco Gauff18%YesNo
