| Nations League B 2020/2021 - Appearances as Assistant | ||||
| 07/09/2020 | Northern Ireland | - | Norway | 1:5 |
| 14/10/2020 | Romania | - | Austria | 0:1 |
| Nations League B 2020/2021 - Appearances as Assistant | ||||
| 07/09/2020 | Northern Ireland | - | Norway | 1:5 |
| 14/10/2020 | Romania | - | Austria | 0:1 |
| Complete name: | Marcin Boniek |
| Born: | |
| Place of birth: |
Poland |
| Nationality: |
Poland |