By surface
| Surface | Mario Martinez | Belus Prajoux |
|---|---|---|
| Clay | 0 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-01-26 | ATP | Vina del Mar | Round of 32 | Clay | Belus Prajoux | 3-6 | 4-6 | |||
| 1977-12-09 | ATP | Davis Cup SAM PR: CHI vs BOL | Round Robin | — | Belus Prajoux | 4-6 | 1-6 | 3-6 |