| Europa League Qual. 2004/2005 - Appearances as Assistant | ||||
| 12/08/2004 | Levski Sofia | - | FK Modriča | 5:0 |
| Europa League Qual. 2004/2005 - Appearances as Assistant | ||||
| 12/08/2004 | Levski Sofia | - | FK Modriča | 5:0 |
| Complete name: | Mariusz Kowalski |
| Born: | 10/12/1961 |
| Place of birth: |
Poland |
| Nationality: |
Poland |