| nickname(s) |  - |
| position(s) | Defender (Left) |
| preferred foot | - |
| height [cm] • weight [kg] | - |
| date of birth [dd/mm/yyyy] | 01/12/2005 |
| place of birth | - |
| nationality(ies) |  Polish |
| • 10/05/2022 Men's Under 17s: Bartosz Brzęk has been added to the squad selected for 2022 UEFA Under 17 Championship |
| • 18/04/2022 Men's Under 17s: Bartosz Brzęk has replaced injured Tommaso Guercio in the squad for 2022 UEFA Under 17 Championship Elite Round |
| • 05/08/2019 Men's Under 15s: Squad selected for training camp in Szamotuły (19 Aug - 23 Aug) |
| • 23/10/2018 Men's Under 14s: Squad selected for training camp in Pruszków (19 Nov - 23 Nov) |
| • 18/09/2018 Men's Under 14s: Squad selected for friendly against Ukraine |