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

Quentin Halys will square off with Facundo Diaz Acosta in the first round of the US Open Men's Singles 2026 on Monday.

Dimers' advanced tennis model projects Quentin Halys as the most likely winner in this Halys vs. Diaz Acosta prediction.

This article offers further insights into Monday's match, including best bets and picks.

Halys vs. Diaz Acosta prediction: Who will win and advance to the second round?

Using innovative machine learning and statistical analysis, we have simulated the result of Monday's Halys-Diaz Acosta men's singles match, forming part of our tennis predictions coverage.

Our famous predictive model gives Halys a 78% chance of beating Diaz Acosta in the US Open 2026.

Quentin Halys vs. Facundo Diaz Acosta odds

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

• Moneyline: Facundo Diaz Acosta +290, Quentin Halys -340

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 @ -340 via DraftKings
• First Set: Diaz Acosta @ -140 via DraftKings

According to our best tennis bets, the top play to make on this match is over 39.5 total games.

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 Monday at 3:35 PM ET.

• Who: Quentin Halys vs. Facundo Diaz Acosta
• Date: Monday, August 31, 2026
• Approx. Time: 3:35 PM ET/12:35PM 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 a 78% win probability, will likely beat Facundo Diaz Acosta at the US Open 2026.

Additional tools and information for betting safely can be found in our Responsible Gambling hub.