By surface
| Surface | Stephan Koenigsfest | Vanek Kos |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1984-09-17 | WTA | San Diego | Quarterfinal | Hard | Yvonne Vermaak | 3-6 | 6-7 |
| Surface | Stephan Koenigsfest | Vanek Kos |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1984-09-17 | WTA | San Diego | Quarterfinal | Hard | Yvonne Vermaak | 3-6 | 6-7 |