| Champ: |  Henri Leconte |
| Runner: | Thierry Tulasne |
| Score: | 7–5, 6–3 |
| Draw: | 32 |
| Seeds: | 8 |
| Type: | singles doubles |
See main article: article and 1986 Geneva Open. Tomáš Šmíd was the defending champion but did not participate this year.
Henri Leconte won the title, defeating Thierry Tulasne 7–5, 6–3 in the final.
Henri Leconte (champion) Thierry Tulasne (final)
Horacio de la Peña (first round)
Fernando Luna (quarterfinals)
Pablo Arraya (first round)
Mel Purcell (second round)