| Ekstraklasa 2019/2020 Championship - Appearances as Assistant | ||||
| 04/07/2020 | Lech Poznań | - | Legia Warszawa | 2:1 |
| 19/07/2020 | Piast Gliwice | - | KS Cracovia | 1:1 |
| Ekstraklasa 2019/2020 Championship - Appearances as Assistant | ||||
| 04/07/2020 | Lech Poznań | - | Legia Warszawa | 2:1 |
| 19/07/2020 | Piast Gliwice | - | KS Cracovia | 1:1 |
| Complete name: | Marek Arys |
| Born: | |
| Place of birth: |
Poland |
| Nationality: |
Poland |