By surface
| Surface | Joao Marques | Gillian Van Der Merwe |
|---|---|---|
| Hard | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-04-05 | WTA | Johannesburg | Round of 64 | Hard | Margaret Court | 0-6 | 3-6 | |||
| 1971-03-29 | WTA | Durban | Round of 32 | Hard | Margaret Court | 0-6 | 0-6 |