By surface
| Surface | Yvonne Vermaak | Merrilyn Robinson |
|---|---|---|
| Grass | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-06-05 | WTA | Beckenham | Round of 64 | Grass | Yvonne Vermaak | 6-1 | 6-1 | |||
| 1975-06-02 | WTA | Chichester | Round of 32 | Grass | Yvonne Vermaak | 6-3 | 6-4 |