| 21. Round | 21/03/2021 | OKS Stomil Olsztyn | - | Widzew Łódź | 0:1 | ||||
| 22. Round | 27/03/2021 | Zagłębie Sosnowiec | - | OKS Stomil Olsztyn | 2:1 | ||||
| 23. Round | 03/04/2021 | OKS Stomil Olsztyn | - | Sandecja Nowy Sącz | 0:5 | ||||
| 24. Round | 10/04/2021 | GKS Bełchatów | - | OKS Stomil Olsztyn | 2:3 | ||||
| 25. Round | 17/04/2021 | Resovia Rzeszów | - | OKS Stomil Olsztyn | 1:0 | ||||
| 26. Round | 25/04/2021 | Arka Gdynia | - | OKS Stomil Olsztyn | 2:0 | ||||
| 27. Round | 28/04/2021 | OKS Stomil Olsztyn | - | Korona Kielce | 2:0 | ||||
| 28. Round | 02/05/2021 | Radomiak Radom | - | OKS Stomil Olsztyn | 1:0 | ||||
| 29. Round | 08/05/2021 | OKS Stomil Olsztyn | - | Chrobry Głogów | 1:2 | ||||
| 30. Round | 15/05/2021 | GKS Jastrzębie | - | OKS Stomil Olsztyn | 2:0 | ||||
| 31. Round | 22/05/2021 | OKS Stomil Olsztyn | - | Puszcza Niepołomice | 2:1 | ||||
| 32. Round | 30/05/2021 | Górnik Łęczna | - | OKS Stomil Olsztyn | 1:1 | ||||
| 33. Round | 05/06/2021 | OKS Stomil Olsztyn | - | Miedź Legnica | 1:1 | ||||
| 34. Round | 13/06/2021 | Bruk-Bet Termalica Nieciecza | - | OKS Stomil Olsztyn | 0:0 |
Poland