| nickname(s) |  Oli |
| position(s) | Midfielder |
| preferred foot | - |
| height [cm] • weight [kg] | - |
| date of birth [dd/mm/yyyy] | - |
| place of birth | - |
| nationality(ies) |  Polish |
| team | gms |  |
 |
debut date |
| Men's Under 15s |
3 | 0 | 0 | 29/04/2025 |
| • 15/04/2025 Men's Under 15s: Squad selected for 4 Nations Tournament |
| • 05/02/2025 Men's Under 15s: Oliwier Ostrowski has been added to the squad for friendlies against Italy |
| • 27/08/2024 Men's Under 15s: Squad selected for training camp in Siedlce (9 Sep - 12 Sep) |