Naomi Osaka vs. Katerina Siniakova prediction, odds, picks for US Open 2026

Using innovative machine learning and statistical analysis, we have simulated the outcome of Wednesday's Osaka-Siniakova women's singles match, forming part of our tennis predictions coverage.

Our independent predictive model currently gives Osaka a 78% chance of winning against Siniakova in the US Open 2026.

Naomi Osaka vs. Katerina Siniakova odds

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

• Moneyline: Katerina Siniakova +310, Naomi Osaka -375

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

Osaka vs. Siniakova picks and best bet

After matching our probabilities 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: Osaka @ -375 via DraftKings
• First Set: Siniakova @ -125 via DraftKings

According to our tennis best bets, the top play to make on this match is Naomi Osaka to win.

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

Osaka vs. Siniakova updates and essential details

The US Open 2026 match between Naomi Osaka and Katerina Siniakova is scheduled to begin on Wednesday at 11:00 AM ET.

• Who: Naomi Osaka vs. Katerina Siniakova
• Date: Wednesday, September 2, 2026
• Approx. Time: 11:00 AM ET/8:00AM PT
• Tournament: US Open Women's Singles 2026
• Round: Second round

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

Conclusion

We predict Naomi Osaka, with a 78% win probability, will likely beat Katerina Siniakova at the US Open 2026.

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