1991 Croatian Lottery Cup – Singles

In the inaugural edition of the tournament, Sandra Cecchini won the title by defeating Magdalena Maleeva 6–4, 3–6, 7–5 in the final.

Seeds
• # 🇨🇦 Helen Kelesi (semifinals)

• # 🇮🇹 Sandra Cecchini (champion)

• # 🇧🇬 Magdalena Maleeva (final)

• # 🇮🇹 Laura Golarsa (first round)

• # 🇩🇪 Veronika Martinek (first round)

• # Andrea Strnadová (quarterfinals)

• # 🇮🇹 Laura Garrone (quarterfinals)

• # 🇭🇺 Csilla Bartos (quarterfinals)