Jelena Ostapenko vs. Taylah Preston prediction, odds, picks for WTA Korea Open 2026

Using powerful machine learning and data, we have re-simulated the result of Thursday's Ostapenko-Preston women's singles match, forming part of our tennis predictions coverage.

Our leading predictive model gives Ostapenko a 68% chance of winning against Preston at the WTA Korea Open tournament. Additionally, Ostapenko has a 65% chance of winning the first set. The simulations also show Preston (+4.5) has a 53% chance of covering the games spread, while the over 20.5 games has a 55% chance of hitting, according to our model.

Latest betting odds

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

• Moneyline: Taylah Preston +250, Jelena Ostapenko -250
• First Set: Ostapenko -227, Preston +175

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

Model picks and best bet

After matching our predictions against the best available odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:

• Moneyline: Preston @ +250 via DraftKings
• First Set: Preston @ -105 via DraftKings

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

These picks are based on our probabilities matched against the implied probabilities from the current available odds.

Game info & first serve details

The WTA Korea Open match between Jelena Ostapenko and Taylah Preston is scheduled to start on Thursday at 3:00 AM ET.

• Who: Jelena Ostapenko vs. Taylah Preston
• Date: Thursday, September 24, 2026
• Approx. Time: 3:00 AM ET/12:00AM PT
• Tournament: WTA Seoul, Korea Republic Women's Singles 2026
• Round: Round of 16

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

Conclusion

We predict Jelena Ostapenko, with a 68% win probability, will likely beat Taylah Preston at the WTA Korea Open tournament.

Additional tools and information for betting safely can be found in our Responsible Gambling hub.

This article's predictions and probabilities are generated by Dimers' proprietary Tennis prediction model. Our editorial team reviews the resulting content for accuracy and presentation before publication.