| U21 EURO Qualifiers 2017/2018 - Appearances as Assistant | ||||
| 05/09/2017 | Romania | - | Switzerland | 1:1 |
| 06/09/2018 | Spain | - | Albania | 3:0 |
| U21 EURO Qualifiers 2017/2018 - Appearances as Assistant | ||||
| 05/09/2017 | Romania | - | Switzerland | 1:1 |
| 06/09/2018 | Spain | - | Albania | 3:0 |
| Complete name: | Tomasz Niemirowski |
| Born: | |
| Place of birth: |
Poland |
| Nationality: |
Poland |