Final score 6–3, 7–5 | ||
Runners-up Mansour Bahrami Guillermo Pérez-Roldán | ||
Mansour Bahrami and Tomáš Šmíd were the defending champions, but Šmíd did not participate this year. Bahrami partnered Guillermo Pérez-Roldán, finishing runner-up.
Andrés Gómez and Alberto Mancini won the title, defeating Bahrami and Pérez-Roldán 6–3, 7–5 in the final.
References
1989 Geneva Open – Doubles Wikipedia(Text) CC BY-SA