| Ekstraklasa 2019/2020 Relegation - Appearances as Assistant | ||||
| 27/06/2020 | Wisła Płock | - | ŁKS Łódź | 2:0 |
| 11/07/2020 | Wisła Kraków | - | Korona Kielce | 1:1 |
| Ekstraklasa 2019/2020 Relegation - Appearances as Assistant | ||||
| 27/06/2020 | Wisła Płock | - | ŁKS Łódź | 2:0 |
| 11/07/2020 | Wisła Kraków | - | Korona Kielce | 1:1 |
| Complete name: | Michał Pierscinski |
| Born: | |
| Place of birth: |
Poland |
| Nationality: |
Poland |