| Ekstraklasa 2011/2012 - Appearances as Referee |  |
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| 04/11/2011 | Podbeskidzie Bielsko-Biała | - | Górnik Zabrze | 1:1 | 5 | - | - |
| 26/11/2011 | ŁKS Łódź | - | Jagiellonia Białystok | 1:1 | 7 | - | - |
| Ekstraklasa 2011/2012 - Appearances as Referee | |
|
|
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| 04/11/2011 | Podbeskidzie Bielsko-Biała | - | Górnik Zabrze | 1:1 | 5 | - | - |
| 26/11/2011 | ŁKS Łódź | - | Jagiellonia Białystok | 1:1 | 7 | - | - |
| Complete name: | Piotr Wasielewski |
| Born: | |
| Place of birth: |
Poland |
| Nationality: |
Poland |