| 1988 |
Hard |
Gary Muller
d. Royce Deppe
6-3 7-5 |
| 1987 |
Hard |
Philip Johnson
d. Tomer Zimmerman
6-2 2-0 RET |
| 1983 |
Clay |
Pablo Arraya
d. Roberto Arguello
6-2 6-3 |
| 1982 |
Clay |
Jeff Simpson
d. Roland Stadler
6-7 6-2 6-1 |
| 1981 |
Clay |
Stefan Simonsson
d. Georges Goven
6-2 6-1 7-5 |
| 1980 |
Clay |
Christophe Casa
d. Jerome Vanier
6-4 5-7 6-4 4-6 6-2 |
| 1979 |
Clay |
Jairo Velasco
d. Fernando Luna
4-6 6-3 6-3 6-1 |
| 1971 |
Hard |
Bob Hewitt
d. Manuel Santana
7-6 6-1 6-1 |
| 1970 |
Hard |
Bob Hewitt
d. Cliff Drysdale
6-4 3-6 6-4 6-3 |
| 1969 |
Hard |
Robert Maud
d. Julian Krinsky
7-6 4-6 6-1 6-4 |
| 1968 |
Hard |
Robert Maud
d. Wilhelm Bungert
3-6 6-3 6-4 6-4 |