By surface
| Surface | Guillermo Vilas | Jose Edison Mandarino |
|---|---|---|
| Clay | 3 | 0 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-10-13 | ATP | Barcelona | Round of 32 | Clay | Guillermo Vilas | 6-1 | 6-1 | |||
| 1974-12-20 | ATP | Davis Cup SAM SF: BRA vs ARG | Round Robin | Clay | Guillermo Vilas | 8-6 | 6-2 | 11-13 | 6-4 | |
| 1974-11-24 | ATP | Buenos Aires | Semifinal | Clay | Guillermo Vilas | 6-1 | 6-3 | 6-4 |