By surface
| Surface | Riccardo Roberto | Pieter Botha |
|---|---|---|
| Clay | 2 | 1 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-05-19 | WTA | Hamburg | Final | Clay | Renata Tomanova | 4-6 | 7-65 | 8-10 | ||
| 1974-05-20 | WTA | Hamburg | Round of 16 | Clay | Kazuko Sawamatsu | 0-6 | 2-6 | |||
| 1973-05-21 | WTA | Roland Garros | Round of 32 | Clay | Renata Tomanova | 6-3 | 1-6 | 5-7 |