1990 Torneo Internazionale – Singles

This is the first edition of the tournament as part of the WTA Tour. Isabel Cueto won the inaugural title by defeating Barbara Paulus 6–2, 6–3 in the final.

Seeds
• # 🇦🇹 Barbara Paulus (final)

• # Isabel Cueto (champion)

• # 🇮🇹 Cathy Caverzasio (quarterfinals)

• # 🇮🇹 Laura Lapi (first round)

• # Angeliki Kanellopoulou (first round)

• # 🇦🇷 Patricia Tarabini (withdrew)

• # Petra Langrová (first round)

• # 🇦🇷 Florencia Labat (first round)