Quentin Halys vs. Facundo Diaz Acosta prediction, odds, picks for US Open 2026

Using trusted machine learning and data, we have simulated the outcome of Sunday's Halys-Diaz Acosta men's singles match, forming part of our tennis predictions coverage.

Our leading predictive model gives Halys an 81% chance of defeating Diaz Acosta in the US Open 2026.

Quentin Halys vs. Facundo Diaz Acosta odds

We have sourced the most up-to-date betting odds in America for this match, which are listed here:

• Moneyline: Facundo Diaz Acosta +325, Quentin Halys -315

All odds are correct at the time of publication and are subject to change.

Halys vs. Diaz Acosta picks and best bet

After matching our predictions against the best current odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:

• Moneyline: Halys @ -315 via DraftKings
• First Set: Diaz Acosta @ -135 via DraftKings

According to our best tennis bets, the top play to make on this match is Quentin Halys to win.

These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.

Halys vs. Diaz Acosta updates and essential details

The US Open 2026 match between Quentin Halys and Facundo Diaz Acosta is scheduled to begin on Sunday at 11:00 AM ET.

• Who: Quentin Halys vs. Facundo Diaz Acosta
• Date: Sunday, August 30, 2026
• Approx. Time: 11:00 AM ET/8:00AM PT
• Tournament: US Open Men's Singles 2026
• Round: First round

All dates and times in this article are United States Eastern Time unless otherwise noted.

Conclusion

We predict Quentin Halys, with an 81% win probability, will likely beat Facundo Diaz Acosta at the US Open 2026.

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