| 6. Round | 24/08/2018 | Piast Gliwice | - | KS Cracovia | 3:1 |  |
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| 7. Round | 01/09/2018 | Lech Poznań | - | Piast Gliwice | 1:1 | ||||
| 8. Round | 15/09/2018 | Piast Gliwice | - | Arka Gdynia | 1:0 | ||||
| 9. Round | 23/09/2018 | Śląsk Wrocław | - | Piast Gliwice | 4:1 | ||||
| 19. Round | 15/12/2018 | Legia Warszawa | - | Piast Gliwice | 2:0 | |
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| 20. Round | 21/12/2018 | Piast Gliwice | - | Jagiellonia Białystok | 1:1 | |
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| 27. Round | 29/03/2019 | Lechia Gdańsk | - | Piast Gliwice | 2:0 | ||||
| 28. Round | 03/04/2019 | Piast Gliwice | - | Wisła Płock | 1:0 |
Slovenia