Adolfo Daniel Vallejo vs. Rafael Jodar prediction, odds, picks for ATP Japan Open 2026

Using powerful machine learning and statistical analysis, we have re-simulated the result of Wednesday's Vallejo-Jodar men's singles match, forming part of our tennis predictions coverage.

Our famous predictive model currently gives Jodar an 81% chance of winning against Vallejo at the ATP Japan Open tournament. Additionally, Jodar has a 75% chance of winning the first set. The simulations also show Vallejo (+5.5) has a 53% chance of covering the games spread, while the under 20.5 games has a 52% 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: Rafael Jodar -621, Adolfo Vallejo +490
• First Set: Vallejo +300, Jodar -400

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 available 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: Vallejo @ +490 via DraftKings
• First Set: Jodar @ +100 via DraftKings

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

Although Vallejo 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 current available odds.

Game info & first serve details

The ATP Japan Open match between Adolfo Daniel Vallejo and Rafael Jodar is scheduled to start on Wednesday at 10:00 PM ET.

• Who: Adolfo Daniel Vallejo vs. Rafael Jodar
• Date: Wednesday, September 30, 2026
• Approx. Time: 10:00 PM ET/7:00PM PT
• Tournament: ATP Tokyo, Japan Men's Singles 2026
• Round: Round of 32

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

Conclusion

We predict Rafael Jodar, with an 81% win probability, will likely beat Adolfo Vallejo at the ATP Japan Open tournament.

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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.