Learner Tien defeated Mariano Navone in the final, 3–6, 6–3, 7–5 to win the singles title at the 2026 Geneva Open. It was his second ATP Tour title and his first on clay courts.
Novak Djokovic was the reigning champion, but did not participate this year.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Lucky losers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw