By surface
| Surface | Stephan Koenigsfest | Renato Medioli |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1977-05-23 | WTA | Roland Garros | Round of 64 | Clay | Yvonne Vermaak | 2-6 | 3-6 |
| Surface | Stephan Koenigsfest | Renato Medioli |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1977-05-23 | WTA | Roland Garros | Round of 64 | Clay | Yvonne Vermaak | 2-6 | 3-6 |