Christopher O'Connell vs. Alejandro Tabilo prediction, odds, picks for ATP Chengdu 2025

Christopher O'Connell will square off with Alejandro Tabilo in the quarterfinals at the ATP Chengdu event on Sunday.

Based on updated simulation results, Dimers' advanced tennis model projects Alejandro Tabilo as the most likely winner of the match.

"Using the most recent data, we ran 10,000 simulations of Sunday's O'Connell-Tabilo match," said Dimers data analyst Greg Butyn.

"After accounting for recent updates and other variables, our prediction shows Alejandro Tabilo with a win probability of 59%, while Christopher O'Connell has 41%."

For a closer look at Sunday's match, including best bets and picks, visit our interactive O'Connell vs. Tabilo predictions page.

O'Connell vs. Tabilo prediction: Who will win and advance to the semifinals?

Using innovative machine learning and data analysis, we have simulated the result of Sunday's O'Connell-Tabilo men's singles match 10,000 times as part of our tennis predictions coverage.

Our leading predictive model gives Tabilo a 59% chance of winning against O'Connell at the ATP Chengdu tournament.

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Christopher O'Connell vs. Alejandro Tabilo odds

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

Bet Type	O'Connell	Tabilo
Moneyline	+162	-200
Game Spread	-2.5 (-116)	+2.5 (-116)
Total Games	o23.5 (-108)	u23.5 (-126)

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

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O'Connell vs. Tabilo picks and best bets

Our model's strongest edge in today's O'Connell vs. Tabilo 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 suite of picks, including this one, is available via Dimers Pro.

O'Connell vs. Tabilo updates and essential details

The ATP Chengdu match between Christopher O'Connell and Alejandro Tabilo is scheduled to commence on Sunday at 1:00AM ET.

• Who: Christopher O'Connell vs. Alejandro Tabilo
• Date: Sunday, September 21, 2025
• Approx. Time: 1:00AM ET/10:00PM PT
• Tournament: ATP Chengdu, China Men's Singles 2025
• Round: Quarterfinals

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

Dimers' in-depth preview of Sunday's O'Connell vs. Tabilo match includes our prediction, picks and the latest betting odds.

Before making any Christopher O'Connell vs. Alejandro Tabilo 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 Alejandro Tabilo, with a 59% win probability, will likely beat Christopher O'Connell at the ATP Chengdu tournament.

AI and automation have enhanced this article to quickly deliver accurate O'Connell vs. Tabilo 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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