By surface
| Surface | Carlos Porfirio | Julie Kosten |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-06-09 | WTA | Memphis | Round of 16 | — | Julie Kosten | 5-7 | 2-6 |
| Surface | Carlos Porfirio | Julie Kosten |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-06-09 | WTA | Memphis | Round of 16 | — | Julie Kosten | 5-7 | 2-6 |