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
Draw
Finals
Top half
Bottom half
References
External links Official results archive (ATP) Official results archive (ITF)