By surface
| Surface | Mark Renner | Sander Van Der Heijst |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-12-28 | WTA | Port Elizabeth | Semifinal | Hard | Tory Ann Fretz | 3-6 | 1-6 |
| Surface | Mark Renner | Sander Van Der Heijst |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-12-28 | WTA | Port Elizabeth | Semifinal | Hard | Tory Ann Fretz | 3-6 | 1-6 |