| Champ: | Tomáš Šmíd |
| Runner: |  Mats Wilander |
| Score: | 6–4, 6–4 |
| Draw: | 32 |
| Seeds: | 8 |
| Type: | singles doubles |
See main article: 1985 Geneva Open. Aaron Krickstein was the defending champion but lost in the second round this year.
Tomáš Šmíd won the title, defeating Mats Wilander 6–4, 6–4 in the final.
Mats Wilander (final) Joakim Nyström (second round, withdrew)
Martín Jaite (first round)
Aaron Krickstein (second round)
Henri Leconte (semifinals)