By surface
| Surface | Guillermo Perez Roldan | Jaime Oncins |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-10-21 | ATP | Guaruja | Round of 32 | Hard | Guillermo Perez Roldan | 6-4 | 2-6 | 7-68 |
| Surface | Guillermo Perez Roldan | Jaime Oncins |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-10-21 | ATP | Guaruja | Round of 32 | Hard | Guillermo Perez Roldan | 6-4 | 2-6 | 7-68 |