| Champ: |  Dominic Thiem |
| Runner: |  David Goffin |
| Score: | 7–5, 6–2 |
| Type: | singles doubles |
See main article: 2015 Swiss Open Gstaad. Pablo Andújar was the defending champion, but lost to Thomaz Bellucci in the quarterfinals.
Dominic Thiem won the title, defeating David Goffin in the final, 7–5, 6–2.
The top four seeds receive a bye into the second round.