Stefanos Tsitsipas defeated Raphaël Collignon in the final, 6–4, 6–7(3–7), 6–3 to win the singles tennis title at the 2026 Swiss Open Gstaad. It was his first ATP Tour title in over a year and the 13th of his career.
Alexander Bublik was the defending champion, but lost in the second round to Quentin Halys.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links