| 4. Round | 21/09/2020 | Piast Gliwice | - | Jagiellonia Białystok | 0:1 | ||||
| 6. Round | 04/10/2020 | Piast Gliwice | - | Lech Poznań | 1:4 | ||||
| 9. Round | 20/11/2020 | Górnik Zabrze | - | Piast Gliwice | 1:2 | ||||
| 10. Round | 23/11/2020 | Piast Gliwice | - | Lechia Gdańsk | 2:0 | ||||
| 11. Round | 29/11/2020 | Legia Warszawa | - | Piast Gliwice | 2:2 |  |
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| 12. Round | 06/12/2020 | Piast Gliwice | - | Zagłębie Lubin | 1:1 |  |
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| 13. Round | 11/12/2020 | Podbeskidzie Bielsko-Biała | - | Piast Gliwice | 0:5 | |
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| 14. Round | 20/12/2020 | Piast Gliwice | - | Raków Częstochowa | 0:0 | |
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| 17. Round | 13/02/2021 | Pogoń Szczecin | - | Piast Gliwice | 0:0 | ||||
| 18. Round | 22/02/2021 | Piast Gliwice | - | Warta Poznań | 0:1 | ||||
| 20. Round | 07/03/2021 | Piast Gliwice | - | FKS Stal Mielec | 2:1 | ||||
| 25. Round | 17/04/2021 | Lechia Gdańsk | - | Piast Gliwice | 2:2 | ||||
| 26. Round | 21/04/2021 | Piast Gliwice | - | Legia Warszawa | 0:1 | ||||
| 28. Round | 03/05/2021 | Piast Gliwice | - | Podbeskidzie Bielsko-Biała | 2:0 |
Poland