Marta Kostyuk vs Sloane Stephens Prediction - WTA Cincinnati Open 2026
Last updated: Aug 18, 2026, 6:56PM | Published: Aug 17, 2026, 4:58AM
Marta Kostyuk will take on Sloane Stephens in the round of 32 at the 2026 WTA Cincinnati Open tournament on Wednesday.
This article features Stats Insider's top betting tips for the Kostyuk vs Stephens match, along with the latest betting odds in Australia.
Who Will Win?
Utilising advanced computer power and data, Stats Insider has simulated the outcome of Wednesday's Kostyuk-Stephens women's singles match 10,000 times.
Our leading predictive analytics model gives Kostyuk an 85% chance of defeating Stephens at the WTA Cincinnati Open tournament.
Kostyuk vs Stephens: Odds
The current betting odds in Australia for Wednesday's WTA Cincinnati Open match between Kostyuk and Stephens are listed below:
- Head to Head: Kostyuk $1.11, Stephens $6.50
- First Set: Kostyuk $1.20, Stephens $4.50
Odds are correct at the time of publication and subject to change.
Looking at the latest head-to-head odds, TAB currently has Kostyuk at $1.11 and Stephens at $6.50.
TAB currently has odds for Kostyuk to win the first set at $1.20 and odds for Stephens to win the first set at $4.50.
Kostyuk vs Stephens: Best Bets
- Head to Head: Stephens at $6.50 with TAB
- First Set: Stephens at $2.00 with TAB (51% probability)
Today's Marta Kostyuk vs Sloane Stephens betting tips are based on market-leading modelling and wagering intelligence to help you place better bets with your chosen online bookie.
Although our predictive analytics model indicates that Kostyuk is more likely to win the match, betting on Stephens to win is our preferred option due to the edge we identified when comparing our data-led probabilities to the odds that are currently being offered.
Using the edges published on Stats Insider is crucial to being a profitable bettor over the long run.
And while Kostyuk is more likely to win the first set on this occassion, our suggested bet of Stephens ($2.00) is based on the expectation of that happening, per our model, and the betting odds currently available.
Kostyuk vs Stephens: Prediction
Stats Insider provides full betting coverage of the Marta Kostyuk vs Sloane Stephens match at the WTA Cincinnati Open tournament, including data-driven predictions and free betting tips.
Our model updates regularly, so refresh this page for the latest betting tips before the Kostyuk-Stephens match at the WTA Cincinnati Open tournament.
As always, see Stats Insider's Best Bets to get the best tips for every tennis match, plus predictions for a wide range of other sports.
Kostyuk vs Stephens: WTA Cincinnati Open Essential Details
The 2026 WTA Cincinnati Open match between Marta Kostyuk and Sloane Stephens is scheduled to commence at 5:00am AEST.
- Match: Marta Kostyuk vs Sloane Stephens
- Date: Wednesday 19 August 2026
- Approx. Time: 5:00am AEST
- Event: WTA Cincinnati, USA Women's Singles 2026
- Round: Round of 32
All dates and times mentioned in this article are in Australian Eastern Standard Time (AEST), unless otherwise noted.
Conclusion
Our Marta Kostyuk vs Sloane Stephens predictions have been made after running 10,000 data-driven simulations of the game, carefully curated by our team of skilled data scientists and analysts. We use cutting-edge technology and machine learning to ensure our tennis tips are trustworthy and reliable, giving you the knowledge you need to make informed decisions with confidence.
If you choose to use our tennis predictions for betting purposes, it's vital that you gamble responsibly and know when to stop. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.
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