By surface
| Surface | Carlos Rivas | Vicki Beggs |
|---|---|---|
| Clay | 1 | 1 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-03-31 | WTA | Curitiba | Semifinal | — | Patricia Medrado | 7-6 | 0-6 | 3-6 | ||
| 1980-03-24 | WTA | Rio de Janeiro | Semifinal | Clay | Vicki Beggs | 6-7 | 7-5 | 4-6 | ||
| 1980-03-17 | WTA | Porto Alegre | Semifinal | Clay | Patricia Medrado | 5-7 | 3-6 |