| U21 EURO 2021 Ungarn/Slowenien - Appearances as Assistant | ||||
| 25/03/2021 | Portugal | - | Croatia | 1:0 |
| 30/03/2021 | Italy | - | Slovenia | 4:0 |
| U21 EURO 2021 Ungarn/Slowenien - Appearances as Assistant | ||||
| 25/03/2021 | Portugal | - | Croatia | 1:0 |
| 30/03/2021 | Italy | - | Slovenia | 4:0 |
| Complete name: | Jakub Winkler |
| Born: | 15/06/1986 |
| Place of birth: |
Poland |
| Nationality: |
Poland |