1990 Open Clarins – Singles

Sandra Cecchini was the defending champion, but lost in the semifinals to Patricia Tarabini.

Conchita Martínez won the title by defeating Tarabini 7–5, 6–3 in the final.

Seeds
• # 🇪🇸 Conchita Martínez (champion)

• # 🇮🇹 Sandra Cecchini (semifinals)

• # 🇩🇪 Isabel Cueto (first round)

• # 🇫🇷 Julie Halard (semifinals)

• # 🇦🇺 Rachel McQuillan (quarterfinals)

• # Cathy Caverzasio (first round, retired)

• # Regina Rajchrtová (quarterfinals)

• # 🇮🇹 Laura Golarsa (withdrew)