By surface
| Surface | Carlos Rivas | Ihsan Koc |
|---|
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-04-13 | WTA | Curitiba | Quarterfinal | — | Patricia Medrado | 2-6 | 3-6 | |||
| 1981-04-06 | WTA | Porto Alegre | Quarterfinal | — | Patricia Medrado | 3-6 | 3-6 |