By surface
| Surface | Sem Verbeek | Carlos Porfirio |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-08-11 | WTA | Monroeville | Semifinal | — | Lisa Bonder Kreiss | 6-3 | 4-6 |
| Surface | Sem Verbeek | Carlos Porfirio |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-08-11 | WTA | Monroeville | Semifinal | — | Lisa Bonder Kreiss | 6-3 | 4-6 |