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?
It's a genuine race: US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set 1 Winner edges the field at 50%, barely ahead of US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Total Sets: O/U 2.5 at 50%. Tight markets like this can flip on one headline.
What do traders predict for US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto?
At 50% implied for US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto Set 1 Winner, the market isn't committing. Expect these numbers to move as the picture develops.
When does the US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto market resolve?
Resolution is scheduled for 31 Aug 2026 (7 days left). Once the outcome is confirmed, the market settles under Polymarket's published criteria.
How much money is trading on US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto?
Traders have put $12.5M through this market so far - a solid gauge of how much real money backs these odds.
How can I trade US Open, Qualification ATP: Zhizhen Zhang vs Rei Sakamoto on Polymarket?
You can watch the odds move here in real time and trade the market directly on Polymarket. As always, prediction trading carries real risk.
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