| 1. Round | 20/07/2018 | Jagiellonia Białystok | - | Lechia Gdańsk | 0:1 | ||||
| 2. Round | 29/07/2018 | Arka Gdynia | - | Jagiellonia Białystok | 0:2 | ||||
| 3. Round | 05/08/2018 | Jagiellonia Białystok | - | Wisła Kraków | 1:0 | ||||
| 7. Round | 02/09/2018 | Wisła Płock | - | Jagiellonia Białystok | 1:1 |  |
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| 8. Round | 14/09/2018 | Jagiellonia Białystok | - | KS Cracovia | 3:1 | |
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| 9. Round | 23/09/2018 | Górnik Zabrze | - | Jagiellonia Białystok | 1:3 |  |
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| 10. Round | 01/10/2018 | Jagiellonia Białystok | - | Śląsk Wrocław | 0:4 | ||||
| 11. Round | 07/10/2018 | Korona Kielce | - | Jagiellonia Białystok | 1:1 | ||||
| 12. Round | 19/10/2018 | Jagiellonia Białystok | - | Pogoń Szczecin | 2:1 | |
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| 13. Round | 26/10/2018 | Jagiellonia Białystok | - | Legia Warszawa | 1:1 | ||||
| 14. Round | 05/11/2018 | Zagłębie Sosnowiec | - | Jagiellonia Białystok | 1:4 | ||||
| 15. Round | 11/11/2018 | Jagiellonia Białystok | - | Lech Poznań | 2:2 | |
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| 18. Round | 08/12/2018 | Wisła Kraków | - | Jagiellonia Białystok | 2:2 | ||||
| 19. Round | 14/12/2018 | Jagiellonia Białystok | - | Zagłębie Lubin | 0:4 | ||||
| 20. Round | 21/12/2018 | Piast Gliwice | - | Jagiellonia Białystok | 1:1 |
Poland