| Ekstraklasa 2011/2012 - Appearances as Referee |  |
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| 27/08/2011 | Podbeskidzie Bielsko-Biała | - | Korona Kielce | 2:3 | 5 | - | - |
| Ekstraklasa 2011/2012 - Appearances as Referee | |
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| 27/08/2011 | Podbeskidzie Bielsko-Biała | - | Korona Kielce | 2:3 | 5 | - | - |
| Complete name: | Piotr Siedlecki |
| Born: | 18/09/1972 |
| Place of birth: |
Poland |
| Nationality: |
Poland |