2011 Crédit Agricole Suisse Open Gstaad – Singles

Nicolás Almagro was the defending champion, but lost in the semifinals to Fernando Verdasco.

8th seed Marcel Granollers won the title. He defeated his compatriot, 4th seed Fernando Verdasco in the final, 6–4, 3–6, 6–3.

Seeds
The first four seeds received a bye into the second round. • # 🇪🇸 Nicolás Almagro (semifinals)

• # Stanislas Wawrinka (quarterfinals)

• # 🇷🇺 Mikhail Youzhny (semifinals)

• # 🇪🇸 Fernando Verdasco (final)

• # 🇪🇸 Feliciano López (quarterfinals)

• # 🇪🇸 Guillermo García López (first round)

• # 🇪🇸 Pablo Andújar (first round)

• # 🇪🇸 Marcel Granollers (champion)