| 1991 |
Clay |
Massimo Valeri
d. German Lopez
4-6 6-1 7-6 |
| 1990 |
Clay |
Guillermo Perez Roldan
d. Stefano Pescosolido
6-1 6-3 |
| 1989 |
Clay |
Marc Rosset
d. Magnus Larsson
6-1 6-1 |
| 1988 |
Clay |
Claudio Panatta
d. Alejandro Aramburu
5-7 6-2 6-1 |
| 1987 |
Clay |
Hans Schwaier
d. Markus Rackl
6-3 4-6 6-4 |
| 1986 |
Clay |
Tarik Benhabiles
d. Simone Colombo
6-3 6-7 6-3 |
| 1985 |
Clay |
Kent Carlsson
d. Ronald Agenor
6-2 7-6 |
| 1984 |
Clay |
Victor Pecci
d. Eduardo Bengoechea
6-0 6-3 |
| 1983 |
Clay |
Mario Martinez
d. Patrice Kuchna
6-7 6-0 9-7 |
| 1982 |
Clay |
Pablo Arraya
d. Mario Martinez
7-5 6-4 |
| 1981 |
Clay |
Mario Martinez
d. Robbie Venter
6-4 7-5 |
| 1980 |
Clay |
Anders Jarryd
d. Chris Mayotte
6-4 5-7 6-2 |