Jannik Sinner vs. Daniel Altmaier prediction, odds, picks for ATP Vienna Open 2025

Jannik Sinner and Daniel Altmaier are scheduled to meet in the round of 32 of the ATP Vienna Open event on Wednesday.

Based on the latest simulation results, Dimers' proven tennis model projects Jannik Sinner as the most likely winner of the match.

"We have simulated the outcome of Wednesday's Sinner-Altmaier match 10,000 times," said Dimers data analyst Greg Butyn.

"With the latest updates and numerous other variables, we estimate Jannik Sinner's chance of winning at 97%, with Daniel Altmaier at 3%."

For expanded analysis of Wednesday's match, including best bets and picks, visit our interactive Sinner vs. Altmaier predictions page.

Sinner vs. Altmaier prediction: Who will win and advance to the round of 16?

Using trusted machine learning and data, we have simulated the outcome of Wednesday's Sinner-Altmaier men's singles match 10,000 times as part of our tennis predictions coverage.

Our leading predictive model gives Sinner a 97% chance of beating Altmaier at the ATP Vienna Open tournament.

Additionally, Sinner has a 93% chance of winning the first set. The simulations also show Sinner (-6.5) has a 53% chance of covering the games spread, while the under 18.5 games has a 53% chance of hitting, according to our model.

Jannik Sinner vs. Daniel Altmaier odds

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

Bet Type	Sinner	Altmaier
Moneyline	-3030	+1950
First Set	-1667	+900
Game Spread	+6.5 (-152)	-6.5 (+114)
Total Games	o18.5 (-118)	u18.5 (-110)

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.

Sinner vs. Altmaier picks and best bets

Our model's biggest edge in today's Sinner vs. Altmaier match is on the first set.

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 suite of picks, including this one, is available via Dimers Pro.

Sinner vs. Altmaier updates and essential details

The ATP Vienna Open match between Jannik Sinner and Daniel Altmaier is scheduled to start on Wednesday at 12:00PM ET.

• Who: Jannik Sinner vs. Daniel Altmaier
• Date: Wednesday, October 22, 2025
• Approx. Time: 12:00PM ET/9:00AM PT
• Tournament: ATP Vienna, Austria Men's Singles 2025
• Round: Round of 32

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

Dimers' in-depth preview of Wednesday's Sinner vs. Altmaier match includes our prediction, picks and the latest betting odds.

Before making any Jannik Sinner vs. Daniel Altmaier 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 Jannik Sinner, with a 97% win probability, will likely beat Daniel Altmaier at the ATP Vienna Open tournament.

AI and automation have enhanced this article to quickly deliver accurate Sinner vs. Altmaier insights, with human oversight ensuring high editorial quality. Our predictions are sourced from 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 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.

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.