By surface
| Surface | Wojtek Kowalski | Milen Velev |
|---|---|---|
| Clay | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-09-30 | ATP | Athens | Round of 32 | Clay | Wojtek Kowalski | 6-4 | 6-3 | |||
| 1990-06-15 | ATP | Davis Cup G2 SF: POL vs BUL | Round Robin | Clay | Wojtek Kowalski | 7-63 | 7-5 |