Wojtek Kowalski defeated Sascha Bandermann 6-0 6-2 in the Netherlands Masters 1 semi-final on clay. Wojtek Kowalski extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-09-17 | USA 5 Masters 1 | F | hard | Wojtek Kowalski | 6-2 7-6 |
| 1991-02-03 | Germany 1 Masters 3 | R32 | carpet | Sascha Bandermann | 2-6 6-3 6-3 |