| 18. Round | 14/02/2021 | NK Croatia Zmijavci | - | Hrvatski Dragovoljac | 0:1 | ||||
| 28. Round | 25/04/2021 | NK Croatia Zmijavci | - | NK Inter Zaprešić | 2:1 | ||||
| 24. Round | 28/04/2021 | NK Croatia Zmijavci | - | NK Dugopolje | 3:0 | ||||
| 29. Round | 01/05/2021 | HNK Cibalia | - | NK Croatia Zmijavci | 3:0 | ||||
| 30. Round | 08/05/2021 | NK Croatia Zmijavci | - | NK Kustošija | 1:2 | ||||
| 31. Round | 12/05/2021 | NK Dubrava | - | NK Croatia Zmijavci | 1:1 | ||||
| 32. Round | 16/05/2021 | NK Croatia Zmijavci | - | NK Opatija | 1:3 | ||||
| 33. Round | 23/05/2021 | HNK Orijent Rijeka | - | NK Croatia Zmijavci | 2:1 |  |
Germany