Carlos Alcaraz vs. Casper Ruud prediction, odds, picks for ATP Japan Open 2025

Carlos Alcaraz will take on Casper Ruud in the semifinals at the ATP Tokyo event on Monday.

Based on updated simulations, Dimers' advanced tennis model predicts Carlos Alcaraz as the most likely winner of the match.

For a closer look at Monday's match, including best bets and picks, visit our interactive Alcaraz vs. Ruud predictions page.

Alcaraz vs. Ruud prediction: Who will win and advance to the final?

Using powerful machine learning and data, we have simulated the result of Monday's Alcaraz-Ruud men's singles match 10,000 times as part of our tennis predictions coverage.

Our famous predictive model currently gives Alcaraz an 84% chance of winning against Ruud at the ATP Japan Open tournament.

For more insights into the growing popularity of betting on the sport, check out our comprehensive analysis of tennis' rise in the U.S. sports betting market.

Carlos Alcaraz vs. Casper Ruud odds

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

Bet Type	Alcaraz	Ruud
Moneyline	-800	+550

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

Make the most of your sports betting experience by exploring our comprehensive list of US betting apps, and the latest sportsbooks in 2025, ensuring you never miss a top new-user deal.

Alcaraz vs. Ruud picks and best bets

Our model's strongest edge in the Alcaraz vs. Ruud match is on the moneyline.

Our expert predictions, aligned with the current odds, reveal the best tennis picks and tennis best bets for every match throughout the year.

Unlimited access to our full set of picks, including this one, is available via Dimers Pro.

Alcaraz vs. Ruud updates and essential details

The ATP Japan Open match between Carlos Alcaraz and Casper Ruud is scheduled to commence on Monday at 5:00AM ET.

• Who: Carlos Alcaraz vs. Casper Ruud
• Date: Monday, September 29, 2025
• Approx. Time: 5:00AM ET/2:00AM PT
• Tournament: ATP Tokyo, Japan Men's Singles 2025
• Round: Semifinals

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

Dimers' comprehensive preview of Monday's Alcaraz vs. Ruud match includes our prediction, picks and the latest betting odds.

Before making any Carlos Alcaraz vs. Casper Ruud picks, be sure to check out the latest tennis predictions and betting advice from Dimers Pro.

Key tennis betting guides and insights

• Learn how to bet on tennis and understand how tennis odds work
• Explore where sports odds come from and how they’re applied to tennis matches
• Stay informed with guides on where online sports betting is currently legal and which states could legalize next
• Improve your chances with proven sports betting strategies that apply to tennis and more

Conclusion

We predict Carlos Alcaraz, with an 84% win probability, will likely beat Casper Ruud at the ATP Japan Open tournament.

AI and automation have enhanced this article to quickly deliver accurate Alcaraz vs. Ruud insights, with human oversight ensuring high editorial quality. Our predictions are drawn from the latest data to help you make informed decisions. For additional resources and advice on responsible gambling, please call 1-800-GAMBLER.

Note: Clicking links to our partners may earn us a referral fee. Learn about how we review products and services.

More on Tennis

Keep up with the latest tennis news and parlay picks throughout the year. Plus, Dimers' ATP and WTA world rankings showcase our in-house approach to accurately ranking every men's and women's player in the world.