Zeynep Sonmez vs. Marta Kostyuk prediction, odds, picks for US Open 2025

Zeynep Sonmez will square off with Marta Kostyuk in the second round of the US Open Women's Singles 2025 on Thursday.

Based on updated simulation results, Dimers' proven tennis model projects Marta Kostyuk as the most likely winner of the match.

For a closer look at Thursday's match, including best bets and picks, visit our interactive Sonmez vs. Kostyuk predictions page.

Sonmez vs. Kostyuk prediction: Who will win and advance to the Round of 32?

Using powerful machine learning and statistical analysis, we have simulated the result of Thursday's Sonmez-Kostyuk women's singles match 10,000 times as part of our tennis predictions coverage.

Our independent predictive model currently gives Kostyuk a 77% chance of defeating Sonmez in the US Open 2025.

Additionally, Kostyuk has a 73% chance of winning the first set, while the over 19.5 games has a 51% chance of hitting, according to our model.

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.

Zeynep Sonmez vs. Marta Kostyuk odds

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

Bet Type	Sonmez	Kostyuk
Moneyline	+350	-490
First Set	+275	-357
Total Games	o19.5 (-115)	u19.5 (-112)

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.

Sonmez vs. Kostyuk picks and best bets

Our model's strongest edge in today's Sonmez vs. Kostyuk 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 complete set of picks, including this one, is available via Dimers Pro.

Sonmez vs. Kostyuk updates and essential details

The US Open 2025 match between Zeynep Sonmez and Marta Kostyuk is scheduled to commence on Thursday at 12:10PM ET.

• Who: Zeynep Sonmez vs. Marta Kostyuk
• Date: Thursday, August 28, 2025
• Approx. Time: 12:10PM ET/9:10AM PT
• Tournament: US Open Women's Singles 2025
• Round: Second round

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

Dimers.com's full preview of Thursday's Sonmez vs. Kostyuk match includes our prediction, picks and the latest betting odds.

Before making any Zeynep Sonmez vs. Marta Kostyuk 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

Sports betting deal available for Thursday

To make the most of Thursday's big day of sports, headlined by a host of huge college football Week 1 games, check out details on the latest Bet365 bonus code "DIMERS" that unlocks $200 in bonus bets from a $5 bet — win or lose. Don't miss out!

Conclusion

We predict Marta Kostyuk, with a 77% win probability, will likely beat Zeynep Sonmez at the US Open 2025.

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