Valentin Vacherot vs. Arthur Fils prediction, odds, picks for ATP Japan Open 2026

Using powerful machine learning and data analysis, we have re-simulated the outcome of Saturday's Vacherot-Fils men's singles match, forming part of our tennis predictions coverage.

Our independent predictive model currently gives Fils a 77% chance of defeating Vacherot at the ATP Japan Open tournament. Additionally, Fils has a 71% chance of winning the first set. The simulations also show Fils (-3.5) has a 53% chance of covering the games spread, while the under 22.5 games has a 60% chance of hitting, according to our model.

Latest betting odds

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

• Moneyline: Arthur Fils -407, Valentin Vacherot +333
• First Set: Vacherot +240, Fils -303

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

Model 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: Vacherot @ +333 via DraftKings
• First Set: Fils @ -130 via DraftKings

According to our tennis best bets, the top play to make on this match is over 22.5 total games.

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

Game info & first serve details

The ATP Japan Open match between Valentin Vacherot and Arthur Fils is scheduled to start on Saturday at 10:00 PM ET.

• Who: Valentin Vacherot vs. Arthur Fils
• Date: Saturday, October 3, 2026
• Approx. Time: 10:00 PM ET/7:00PM PT
• Tournament: ATP Tokyo, Japan Men's Singles 2026
• Round: Quarterfinals

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

Conclusion

We predict Arthur Fils, with a 77% win probability, will likely beat Valentin Vacherot at the ATP Japan Open tournament.

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

This article's predictions and probabilities are generated by Dimers' proprietary Tennis prediction model. Our editorial team reviews the resulting content for accuracy and presentation before publication.