Singles | |
---|---|
1989 Geneva Open | |
Champion | Marc Rosset |
Runner-up | Guillermo Pérez-Roldán |
Final score | 6–4, 7–5 |
Marián Vajda was the defending champion, but did not participate this year.
Marc Rosset won the title, defeating Guillermo Pérez-Roldán 6–4, 7–5 in the final.