By surface
| Surface | Guillermo Vilas | Diego Perez |
|---|---|---|
| Clay | 3 | 1 |
All meetings (4)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1987-09-14 | ATP | Geneva | Round of 32 | Clay | Guillermo Vilas | 6-4 | 6-1 | |||
| 1985-07-08 | ATP | Boston | Round of 64 | Clay | Guillermo Vilas | 6-3 | 6-2 | |||
| 1983-07-11 | ATP | Boston | Round of 16 | Clay | Diego Perez | 6-4 | 1-6 | 2-6 | ||
| 1982-02-01 | ATP | Buenos Aires | Semifinal | Clay | Guillermo Vilas | 6-4 | 6-2 |