1991 Bliss Cup – Singles

This was the second tournament held in 1991 at the city of Guarujá. Patrick Baur was the champion in February. He lost in the second round to Andrés Gómez.

Javier Frana won the title by defeating Markus Zoecke 2–6, 7–6(7–1), 6–3 in the final.

Seeds
• # 🇦🇹 Thomas Muster (first round)

• # 🇪🇸 Jordi Arrese (second round)

• # 🇪🇸 Javier Sánchez (first round)

• # Paul Haarhuis (second round)

• # 🇪🇸 Francisco Clavet (second round)

• # 🇦🇷 Guillermo Pérez Roldán (second round)

• # 🇫🇷 Olivier Delaître (second round)

• # 🇫🇷 Frédéric Fontang (second round)