Reilly Opelka vs. Joao Fonseca prediction, odds, picks for ATP Brisbane 2026

Reilly Opelka will take on Joao Fonseca in the round of 32 at the ATP Brisbane event on Sunday.

Based on the latest simulations, Dimers' proven tennis model projects Joao Fonseca as the most likely winner of the Opelka vs. Fonseca match.

This article offers a closer look at Sunday's match, including best bets and picks.

Opelka vs. Fonseca prediction: Who will win and advance to the round of 16?

Using trusted machine learning and statistical analysis, we have simulated the outcome of Sunday's Opelka-Fonseca men's singles match 10,000 times as part of our tennis predictions coverage.

Our leading predictive model currently gives Fonseca a 58% chance of winning against Opelka at the ATP Brisbane tournament.

Additionally, Fonseca has a 56% chance of winning the first set. The simulations also show Fonseca (-1.5) has a 53% chance of covering the games spread, while the under 25.5 games has a 62% chance of hitting, according to our model.

Reilly Opelka vs. Joao Fonseca odds

We have researched 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.

Opelka vs. Fonseca picks and best bet

After matching our probabilities against the best current odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:

According to our tennis best bets, the top play to make on this match is Reilly Opelka to win the first set.

Opelka vs. Fonseca updates and essential details

The ATP Brisbane match between Reilly Opelka and Joao Fonseca is scheduled to start on Sunday at 8:00 PM ET.

• Who: Reilly Opelka vs. Joao Fonseca
• Date: Sunday, January 4, 2026
• Approx. Time: 8:00 PM ET/5:00PM PT
• Tournament: ATP Brisbane, Australia Men's Singles 2026
• Round: Round of 32

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

Conclusion

We predict Joao Fonseca, with a 58% win probability, will likely beat Reilly Opelka at the ATP Brisbane tournament.

AI and automation have enhanced this article to quickly deliver accurate Opelka vs. Fonseca 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.

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