This market refers to the tennis match between Quentin Halys and Facundo Acosta in the US Open ATP, originally scheduled for August 30, 2026 at 11:00AM ET.
This market will resolve to 'Quentin Halys' if Quentin Halys advances against Facundo Acosta.
This market will resolve to 'Facundo Acosta' if Facundo Acosta advances against Quentin Halys.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 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: Quentin Halys vs Facundo Acosta
ATP
Facundo Acosta4571
Quentin Halys676⁷6Final
Game context
Quentin Halys enters this US Open first-round matchup on outdoor hard courts with stronger recent momentum than Facundo Diaz Acosta, having captured his maiden ATP title in Kitzbuhel and climbing near a career-high ranking of No. 52. The Frenchman posted several hard-court wins in Cincinnati before dropping matches to higher-ranked opponents in Winston-Salem prep events. Diaz Acosta, ranked No. 82 and a clay-court specialist with multiple 2026 Challenger titles, holds a 1-0 head-to-head edge after defeating Halys on hard in 2023 but carries just a 1-2 hard-court record this season. Trader consensus reflects Halys as the clear favorite, driven by his improved serve consistency and overall form entering the Grand Slam.
Moneyline
$313.9K Vol.Match Completed
$1.7K Vol.Set Total
$37 Vol.US Open ATP: Quentin Halys vs Facundo Acosta Total Sets: O/U 3.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 2 O/U 8.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 2 O/U 9.5
US Open ATP: Quentin Halys vs Facundo Acosta Total Sets: O/U 4.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 2 O/U 10.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 3 O/U 8.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 3 O/U 9.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 3 O/U 10.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 4 O/U 8.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 4 O/U 9.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 4 O/U 10.5
1st Set Winner
$37 Vol.Set Winner
US Open ATP: Quentin Halys vs Facundo Acosta Set 2 Winner
US Open ATP: Quentin Halys vs Facundo Acosta Set 3 Winner
US Open ATP: Quentin Halys vs Facundo Acosta Set 4 Winner
Total Games
$686 Vol.US Open ATP: Quentin Halys vs Facundo Acosta Match O/U 36.5
US Open ATP: Quentin Halys vs Facundo Acosta Match O/U 38.5
US Open ATP: Quentin Halys vs Facundo Acosta Match O/U 40.5
1st Set Total
US Open ATP: Quentin Halys vs Facundo Acosta Set 1 O/U 8.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 1 O/U 9.5
US Open ATP: Quentin Halys vs Facundo Acosta Set 1 O/U 10.5
Set Handicap
$66 Vol.US Open ATP: Quentin Halys vs Facundo Acosta Set Handicap +/-1.5
US Open ATP: Quentin Halys vs Facundo Acosta Set Handicap +/-2.5
More Bets
$31 Vol.US Open ATP: Quentin Halys vs Facundo Acosta Game Spread +/-5.5
Quentin Halys 3-0
Quentin Halys 3-1
Quentin Halys 3-2
Facundo Acosta 3-0
Facundo Acosta 3-1
Facundo Acosta 3-2
Not Completed
Resolution Source: www.atptour.com
Odds & FAQ
What are the current odds for US Open ATP: Quentin Halys vs Facundo Acosta?
The current front-runner is Completed Match at 99%, ahead of US Open ATP: Quentin Halys vs Facundo Acosta Total Sets: O/U 3.5 at 99%. These live odds update with every trade on the Polymarket order book.
What do traders predict for US Open ATP: Quentin Halys vs Facundo Acosta?
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: Quentin Halys vs Facundo Acosta market resolve?
This market is scheduled to resolve on 6 Sep 2026 (5 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: Quentin Halys vs Facundo Acosta?
Total traded volume on this market is $19.3M, a measure of how much real money traders have committed to the outcome.
How can I trade US Open ATP: Quentin Halys vs Facundo Acosta 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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