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.
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto
ATP
Rei Sakamoto67Kei Nishikori46³Final
Game context
Kei Nishikori, the 36-year-old former world No. 4 and 2014 US Open finalist playing on a qualifying wild card in what he has announced as his final season, faces 20-year-old countryman Rei Sakamoto in the deciding round of US Open qualifying on hard courts. Nishikori advanced with straight-set wins over Sebastian Ofner and teenager Michael Antonius, showing improved aggression and winner production after recent injury setbacks, while Sakamoto, ranked around No. 157 with a career-high of 148, posted efficient victories over Jay Clarke and Alexandre Muller to reach this stage. The matchup pits Nishikori’s extensive Grand Slam experience and motivation against Sakamoto’s superior current ranking, height advantage, and strong recent form on the Challenger and qualifying circuits, with no prior head-to-head meeting between the players.
Moneyline
$238.4K Vol.Match Completed
1st Set Winner
$874 Vol.1st Set Total
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 1 O/U 8.5
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 1 O/U 9.5
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 1 O/U 10.5
Total Games
$2.8K Vol.US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Match O/U 21.5
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Match O/U 22.5
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Match O/U 23.5
Set Winner
$2.7K Vol.Set Total
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Total Sets: O/U 2.5
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 2 O/U 8.5
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 2 O/U 9.5
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 2 O/U 10.5
Set Handicap
$207 Vol.US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set Handicap +/-1.5
US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set Handicap +/-1.5
More Bets
$5.8K Vol. Resolution Source: www.atptour.com
Odds & FAQ
What are the current odds for US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto?
The current front-runner is Completed Match at 99%, ahead of US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto Set 1 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, Qualification ATP: Kei Nishikori vs Rei Sakamoto?
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, Qualification ATP: Kei Nishikori vs Rei Sakamoto market resolve?
This market is scheduled to resolve on 3 Sep 2026 (6 days left). It settles according to Polymarket's published resolution criteria once the outcome is confirmed.
How much money is trading on US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto?
Total traded volume on this market is $8.5M, a measure of how much real money traders have committed to the outcome.
How can I trade US Open, Qualification ATP: Kei Nishikori vs Rei Sakamoto 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.
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