By surface
| Surface | Yvonne Vermaak | Penny Barg |
|---|---|---|
| Clay | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1986-04-27 | WTA | Indianapolis | Round of 32 | Clay | Yvonne Vermaak | 6-2 | 6-4 | |||
| 1982-05-10 | WTA | Lugano | Round of 64 | Clay | Yvonne Vermaak | 6-3 | 7-5 |