By surface
| Surface | Yvonne Vermaak | Lena Jacobs |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-11-25 | WTA | Johannesburg | Round of 32 | Hard | Yvonne Vermaak | 6-2 | 7-5 |
| Surface | Yvonne Vermaak | Lena Jacobs |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-11-25 | WTA | Johannesburg | Round of 32 | Hard | Yvonne Vermaak | 6-2 | 7-5 |