| nickname(s) |  Xavi |
| position(s) | Goalkeeper |
| preferred foot | - |
| height [cm] • weight [kg] | 188 • 78 |
| date of birth [dd/mm/yyyy] | 06/10/2003 |
| place of birth |  Grajewo |
| nationality(ies) | Polish |
| • 29/10/2021 Men's Under 20s: Players from Polish clubs have been added to the squad for Elite League match against Romania |
| • 06/10/2021 Men's Under 19s: Xavier Dziekoński has replaced injured Krzysztof B±kowski in the squad for 2022 UEFA Under 19 Championship Qualifying Round |
| • 19/08/2021 Men's Under 20s: Players from Polish clubs have been added to the squad for Elite League matches against Italy and Portugal |
| • 07/05/2021 Men's Under 21s: Squad selected for training camp in Warka (17 May - 20 May) |
| • 17/03/2021 Men's Under 21s: Squad selected for friendlies against Saudi Arabia and Austria |
| • 29/09/2020 Men's Under 19s: Players from Polish clubs have been added to the squad for friendlies against Denmark |