This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the US Open, Qualification ATP, originally scheduled for August 24, 2026 at 5:00PM ET.
This market will resolve to 'Zhizhen Zhang' if Zhizhen Zhang advances against Rei Sakamoto.
This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Zhizhen Zhang.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 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: Zhizhen Zhang vs Rei Sakamoto
ATP
Rei Sakamoto
0-0
0
Final
0
Zhizhen Zhang
0-0
Game context
Zhizhen Zhang and Rei Sakamoto enter this US Open qualifying clash with nearly identical ATP rankings near 158–165 on outdoor hard courts. The 29-year-old Zhang, a former top-30 player returning from shoulder issues that limited his 2025 campaign, holds a 6-11 record this season and brings greater Grand Slam qualifying experience. Sakamoto, the 20-year-old Japanese prospect with a career-high ranking of 148 achieved in June, has posted early ATP wins and Challenger success while showing improved consistency on hard. Their similar profiles and lack of prior head-to-head meetings leave the outcome dependent on current form, serving efficiency, and ability to handle the fast qualifying conditions in New York.
Moneyline
$34K Vol.Match Completed
$119 Vol.1st Set Winner
$1.5K Vol.Set Total
$2.8K Vol.US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Total Sets: O/U 2.5
US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set 2 O/U 8.5
US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set 2 O/U 9.5
US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set 2 O/U 10.5
Set Winner
$252 Vol.Total Games
$3.9K Vol.US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Match O/U 21.5
US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Match O/U 22.5
US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Match O/U 23.5
1st Set Total
$228 Vol.US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set 1 O/U 8.5
US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set 1 O/U 9.5
US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set 1 O/U 10.5
Set Handicap
$5.3K Vol.US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set Handicap +/-1.5
US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set Handicap +/-1.5
More Bets
Resolution Source: www.atptour.com
Odds & FAQ
What are the current odds for US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto?
The current front-runner is US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set 1 Winner at 50%, ahead of US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Total Sets: O/U 2.5 at 50%. These live odds update with every trade on the Polymarket order book.
What do traders predict for US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto?
Traders currently imply a 50% chance for US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set 1 Winner. 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: Zhizhen Zhang vs Rei Sakamoto market resolve?
This market is scheduled to resolve on 31 Aug 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, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto?
Total traded volume on this market is $12.6M, a measure of how much real money traders have committed to the outcome.
How can I trade US Open, Qualification ATP: Zhizhen Zhang 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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