Adolfo Daniel Vallejo vs. Gael Monfils prediction, odds, picks for US Open 2026

Using trusted machine learning and data, we have simulated the result of Monday's Vallejo-Monfils men's singles match, forming part of our tennis predictions coverage.

Our famous predictive model gives Vallejo a 55% chance of beating Monfils in the US Open 2026.

Adolfo Daniel Vallejo vs. Gael Monfils odds

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

• Moneyline: Gael Monfils +116, Adolfo Vallejo -130

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

Vallejo vs. Monfils 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: Monfils @ +116 via DraftKings
• First Set: Monfils @ -128 via DraftKings

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

Although Monfils is less than likely to win, he provides the best value at the current available odds.

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

Vallejo vs. Monfils updates and essential details

The US Open 2026 match between Adolfo Daniel Vallejo and Gael Monfils is scheduled to start on Monday at 11:00 AM ET.

• Who: Adolfo Daniel Vallejo vs. Gael Monfils
• Date: Monday, August 31, 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 Adolfo Vallejo, with a 55% win probability, will likely beat Gael Monfils at the US Open 2026.

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