1991 Trofeo Ilva-Coppa Mantegazza – Singles

Raffaella Reggi was the defending champion, but did not compete this year.

Emanuela Zardo won the title by defeating Petra Ritter 7–5, 6–2 in the final.

Seeds
• # 🇮🇹 Federica Bonsignori (quarterfinals)

• # 🇺🇸 Ann Grossman (first round)

• # 🇮🇹 Laura Golarsa (second round)

• # 🇮🇹 Katia Piccolini (first round)

• # 🇪🇸 Conchita Martínez (withdrew)

• # Cathy Caverzasio (first round)

• # 🇮🇹 Laura Garrone (withdrew)

• # 🇫🇷 Alexia Dechaume (second round)

• # Emanuela Zardo (champion)