| 18. Round | 12/02/2021 | NK Dubrava | - | NK Junak Sinj | 3:1 | ||||
| 23. Round | 20/03/2021 | NK Dugopolje | - | NK Junak Sinj | 2:2 | ||||
| 24. Round | 03/04/2021 | NK Junak Sinj | - | NK Međimurje | 4:2 | ||||
| 26. Round | 17/04/2021 | NK Junak Sinj | - | NK Kustošija | 1:0 | ||||
| 27. Round | 21/04/2021 | NK Opatija | - | NK Junak Sinj | 1:0 | ||||
| 28. Round | 24/04/2021 | NK Junak Sinj | - | Dinamo Zagreb II | 0:0 | ||||
| 29. Round | 30/04/2021 | NK BSK Bijelo Brdo | - | NK Junak Sinj | 2:1 | ||||
| 30. Round | 08/05/2021 | NK Junak Sinj | - | Hajduk Split II | 2:0 | ||||
| 31. Round | 12/05/2021 | NK Sesvete | - | NK Junak Sinj | 4:3 | ||||
| 32. Round | 15/05/2021 | NK Junak Sinj | - | NK Solin | 1:4 | ||||
| 33. Round | 22/05/2021 | NK Rudeš | - | NK Junak Sinj | 2:2 |  |
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| 34. Round | 29/05/2021 | NK Junak Sinj | - | HNK Cibalia | 3:2 | |
Croatia