| 10. Round | 04/10/2020 | Široki Brijeg | - | FK Krupa | 1:0 | ||||
| 15. Round | 22/11/2020 | FK Krupa | - | Velež Mostar | 1:1 | ||||
| 17. Round | 02/12/2020 | FK Krupa | - | Borac Banja Luka | 1:3 | ||||
| 20. Round | 27/02/2021 | Zrinjski Mostar | - | FK Krupa | 1:0 | ||||
| 21. Round | 06/03/2021 | FK Krupa | - | Široki Brijeg | 1:1 | ||||
| 23. Round | 21/03/2021 | FK Sarajevo | - | FK Krupa | 1:0 | ||||
| 24. Round | 03/04/2021 | FK Krupa | - | FK Tuzla City | 1:1 | ||||
| 25. Round | 11/04/2021 | Široki Brijeg | - | FK Krupa | 2:2 |  |
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| 26. Round | 17/04/2021 | FK Krupa | - | Sloboda Tuzla | 1:0 | ||||
| 27. Round | 24/04/2021 | Velež Mostar | - | FK Krupa | 2:1 | ||||
| 28. Round | 01/05/2021 | FK Krupa | - | FK Mladost Doboj-Kakanj | 3:0 | ||||
| 29. Round | 08/05/2021 | Borac Banja Luka | - | FK Krupa | 1:0 | ||||
| 30. Round | 12/05/2021 | FK Krupa | - | Radnik Bijeljina | 1:0 | ||||
| 31. Round | 16/05/2021 | Zrinjski Mostar | - | FK Krupa | 3:1 |
Serbia