By surface
| Surface | Carlos Rivas | Marina Koegl |
|---|---|---|
| Clay | 1 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-04-07 | WTA | Recife | Round of 16 | — | Patricia Medrado | 1-6 | 1-6 | |||
| 1980-03-24 | WTA | Rio de Janeiro | Round of 16 | Clay | Patricia Medrado | 0-6 | 2-6 |