| U21 EURO Qualifiers 2015/2016 - Appearances as Assistant | ||||
| 05/09/2015 | North Macedonia | - | Ukraine | 1:0 |
| 08/10/2015 | Slovenia | - | Italy | 0:3 |
| 10/10/2016 | Sweden | - | Croatia | 4:2 |
| U21 EURO Qualifiers 2015/2016 - Appearances as Assistant | ||||
| 05/09/2015 | North Macedonia | - | Ukraine | 1:0 |
| 08/10/2015 | Slovenia | - | Italy | 0:3 |
| 10/10/2016 | Sweden | - | Croatia | 4:2 |
| Complete name: | Marcin Boniek |
| Born: | |
| Place of birth: |
Poland |
| Nationality: |
Poland |