Matteo Arnaldi vs. Reilly Opelka Prediction, Odds, Picks for ATP Eastbourne 2025

Matteo Arnaldi will take on Reilly Opelka in the round of 32 at the ATP Eastbourne event on Monday.

Based on updated simulations, Dimers' advanced tennis model (see Dimers Pro for full access) predicts Reilly Opelka as the most likely winner of the match.

"We have utilized the latest data to simulate Monday's Arnaldi-Opelka match 10,000 times," said Dimers data analyst Greg Butyn.

"Incorporating recent updates and thousands of additional inputs, our prediction shows Reilly Opelka is likely to win, with a probability of 51%, compared to Matteo Arnaldi's 49%."

For further insights into Monday's match, including best bets and picks, visit our interactive Arnaldi vs. Opelka predictions page.

Get 20% off Dimers Pro With Code 20TENNIS

Get Dimers Pro

Arnaldi vs. Opelka Prediction: Who Will Win and Advance to the Round of 16?

Using innovative machine learning and data, we have simulated the outcome of Monday's Arnaldi-Opelka men's singles match 10,000 times as part of our tennis predictions coverage.

Our leading predictive model currently gives Opelka a 51% chance of winning against Arnaldi at the ATP Eastbourne tournament.

Additionally, Opelka has a 51% chance of winning the first set, according to our model.

Pre-Match Probabilities

Last Updated: 3:07PM, Jun 23

Moneyline

1st Set

MatteoArnaldi

Win %

49%

51%

+120

-152

Get the best bets with Dimers Pro

See Matchup

Get Dimers Pro

ReillyOpelka

MatteoArnaldi

+120

Win %

49%

51%

See Matchup

ReillyOpelka

-152

Get the best bets with Dimers Pro

Get Dimers Pro

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.

Matteo Arnaldi vs. Reilly Opelka Odds

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

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.

Arnaldi vs. Opelka Picks and Best Bets

Our model's biggest edge in the Arnaldi vs. Opelka match is on the moneyline.

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

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

Unlock Every ATP Eastbourne Pick

Get Dimers Pro

Arnaldi vs. Opelka Updates and Essential Details

The ATP Eastbourne match between Matteo Arnaldi and Reilly Opelka is scheduled to start on Monday at 6:00AM ET.

• Who: Matteo Arnaldi vs. Reilly Opelka
• Date: Monday, June 23, 2025
• Approx. Time: 6:00AM ET/3:00AM PT
• Tournament: ATP Eastbourne, Great Britain Men's Singles 2025
• Round: Round of 32

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

Dimers.com's in-depth preview of Monday's Arnaldi vs. Opelka match includes our prediction, picks and the latest betting odds.

Before making any Matteo Arnaldi vs. Reilly Opelka 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 Reilly Opelka, with a 51% win probability, will likely beat Matteo Arnaldi at the ATP Eastbourne tournament.

AI and automation have enhanced this article to quickly deliver accurate Arnaldi vs. Opelka insights, with human oversight ensuring high editorial quality. Our predictions are based on up-to-date 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 betting 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.