1988 Geneva Open – Singles

Claudio Mezzadri was the defending champion, but lost in the second round this year.

Marián Vajda won the title, defeating Kent Carlsson 6–4, 6–4 in the final.

Seeds

 * 1) 🇸🇪 Kent Carlsson (final)
 * 2) 🇦🇷 Guillermo Pérez Roldán (first round)
 * 3) 🇪🇸 Jordi Arrese (quarterfinals)
 * 4) 🇸🇪 Magnus Gustafsson (first round)
 * 5)  Claudio Mezzadri (second round)
 * 6)  Tomáš Šmíd (first round)
 * 7) 🇪🇸 Fernando Luna (quarterfinals)
 * 8)  Bruno Orešar (second round)