By surface
| Surface | Carlos Rivas | Carmen Perea Alcala |
|---|---|---|
| Clay | 3 | 1 |
All meetings (5)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1982-04-05 | WTA | Curitiba | Quarterfinal | Clay | Patricia Medrado | 5-7 | 4-6 | |||
| 1981-11-09 | WTA | Fed Cup WG ConR: BRA vs ESP | Round Robin | Clay | Patricia Medrado | 5-7 | 7-5 | 5-7 | ||
| 1981-06-10 | WTA | Nantes | Semifinal | — | Patricia Medrado | 3-6 | 0-6 | |||
| 1976-03-15 | WTA | Ocala Futures | Round of 32 | Clay | Carmen Perea Alcala | 4-6 | 6-7 | |||
| 1976-01-19 | WTA | Fort Myers Futures | Round of 32 | Clay | Patricia Medrado | 6-1 | 4-6 | 2-6 |