2018 Swiss Open Gstaad – Singles


was the defending champion, but lost in the second round to Jürgen Zopp.
Matteo Berrettini won his first ATP World Tour title, defeating Roberto Bautista Agut in the final, 7–6, 6–4.

Seeds

The top four seeds receive 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