Gauthier Onclin vs. Jan-Lennard Struff prediction, odds, picks for ATP European Open 2026

Gauthier Onclin will take on Jan-Lennard Struff in the round of 16 at the ATP Brussels event on Wednesday.

Dimers' advanced tennis model projects Jan-Lennard Struff as the most likely winner in this Onclin vs. Struff prediction.

This article offers a closer look at Wednesday's match, including best bets and picks.

Onclin vs. Struff prediction and odds

Using trusted machine learning and data, we have re-simulated the result of Wednesday's Onclin-Struff men's singles match, forming part of our tennis predictions coverage.

Our famous predictive model gives Struff a 74% chance of defeating Onclin at the ATP European Open tournament.

Latest betting odds

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

• Moneyline: Jan-Lennard Struff -333, Gauthier Onclin +269

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: Onclin @ +269 via DraftKings
• First Set: Struff @ -125 via DraftKings

According to our tennis best bets, the top play to make on this match is Gauthier Onclin 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 ATP European Open match between Gauthier Onclin and Jan-Lennard Struff is scheduled to commence on Wednesday at 2:00 PM ET.

• Who: Gauthier Onclin vs. Jan-Lennard Struff
• Date: Wednesday, October 21, 2026
• Approx. Time: 2:00 PM ET/11:00 AM PT
• Tournament: ATP Brussels, Belgium Singles 2026
• Round: Round of 16

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

Conclusion

We predict Jan-Lennard Struff, with a 74% win probability, will likely beat Gauthier Onclin at the ATP European 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.