| Champ: |  Marcel Granollers |
| Runner: | Fernando Verdasco |
| Score: | 6–4, 3–6, 6–3 |
| Draw: | 28 |
| Seeds: | 8 |
| Type: | singles doubles |
See main article: 2011 Crédit Agricole Suisse Open Gstaad. 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.
The first four seeds received a bye into the second round.
See main article: 2011 Crédit Agricole Suisse Open Gstaad – Singles qualifying.