| 1. Round | 28/08/2020 | GKS Jastrzębie | - | Arka Gdynia | 0:4 | ||||
| 2. Round | 04/09/2020 | Arka Gdynia | - | Puszcza Niepołomice | 3:2 |  |
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| 4. Round | 18/09/2020 | Arka Gdynia | - | Miedź Legnica | 4:0 | ||||
| 5. Round | 25/09/2020 | Bruk-Bet Termalica Nieciecza | - | Arka Gdynia | 0:1 | ||||
| 6. Round | 29/09/2020 | Arka Gdynia | - | GKS Tychy '71 | 0:2 | ||||
| 7. Round | 04/10/2020 | Odra Opole | - | Arka Gdynia | 0:0 | ||||
| 8. Round | 10/10/2020 | Arka Gdynia | - | ŁKS Łódź | 0:0 | |
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| 11. Round | 08/11/2020 | Sandecja Nowy Sącz | - | Arka Gdynia | 1:5 | ||||
| 12. Round | 13/11/2020 | Arka Gdynia | - | GKS Bełchatów | 1:2 | |
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| 10. Round | 18/11/2020 | Arka Gdynia | - | Zagłębie Sosnowiec | 2:0 | ||||
| 13. Round | 21/11/2020 | Resovia Rzeszów | - | Arka Gdynia | 1:2 | ||||
| 14. Round | 29/11/2020 | Widzew Łódź | - | Arka Gdynia | 2:1 | ||||
| 15. Round | 03/12/2020 | Arka Gdynia | - | Korona Kielce | 1:0 | ||||
| 17. Round | 12/12/2020 | Arka Gdynia | - | Chrobry Głogów | 1:1 | |
Poland