| U20 Friendlies 2024 - Appearances as Referee |  |
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| 15/10/2024 | Poland | - | Turkey | 4:2 | 4 | - | - |
| 15/11/2024 | Poland | - | Italy | 2:3 | 4 | - | - |
| U20 Friendlies 2024 - Appearances as Referee | |
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| 15/10/2024 | Poland | - | Turkey | 4:2 | 4 | - | - |
| 15/11/2024 | Poland | - | Italy | 2:3 | 4 | - | - |
| Complete name: | Grzegorz Kawałko |
| Born: | 21/06/1989 |
| Place of birth: |
Poland |
| Residence: | Białystok |
| Nationality: |
Poland |