1985 Geneva Open – Singles

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.

Seeds

 * 1) 🇸🇪 Mats Wilander (final)
 * 2) 🇸🇪 Joakim Nyström (second round, withdrew)
 * 3)  Tomáš Šmíd (champion)
 * 4) 🇦🇷 Martín Jaite (first round)
 * 5) 🇺🇸 Aaron Krickstein (second round)
 * 6) 🇫🇷 Henri Leconte (semifinals)
 * 7)  Heinz Günthardt (second round)
 * 8)  Jakob Hlasek (quarterfinals)