Marta Kostyuk vs. Liudmila Samsonova prediction, odds, picks for WTA Guadalajara Open 2026

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

Our famous predictive model currently gives Kostyuk a 79% chance of beating Samsonova at the WTA Guadalajara Open tournament. Additionally, Kostyuk has a 75% chance of winning the first set. The simulations also show Kostyuk (-4.5) has a 53% chance of covering the games spread, while the over 20.5 games has a 51% chance of hitting, according to our model.

Latest betting odds

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

• Moneyline: Liudmila Samsonova +333, Marta Kostyuk -386
• First Set: Kostyuk -303, Samsonova +240

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 current 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: Kostyuk @ -386 via DraftKings
• First Set: Samsonova @ -110 via DraftKings

According to our tennis best bets, the top play to make on this match is over 20.5 total games.

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

Game info & first serve details

The WTA Guadalajara Open match between Marta Kostyuk and Liudmila Samsonova is scheduled to begin on Thursday at 8:15 PM ET.

• Who: Marta Kostyuk vs. Liudmila Samsonova
• Date: Thursday, September 17, 2026
• Approx. Time: 8:15 PM ET/5:15PM PT
• Tournament: WTA Guadalajara, Mexico Women's Singles 2026
• Round: Quarterfinals

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

Conclusion

We predict Marta Kostyuk, with a 79% win probability, will likely beat Liudmila Samsonova at the WTA Guadalajara 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.