18. Round | 13/02/2021 | HNK Orijent Rijeka | - | NK Osijek II | 3:0 | ||||
22. Round | 13/03/2021 | NK Osijek II | - | NK Dugopolje | 2:0 | ||||
24. Round | 02/04/2021 | NK Osijek II | - | NK Inter Zaprešić | 1:2 | ||||
25. Round | 10/04/2021 | NK Kustošija | - | NK Osijek II | 1:0 | ||||
28. Round | 24/04/2021 | NK Osijek II | - | NK BSK Bijelo Brdo | 3:0 | ||||
29. Round | 02/05/2021 | Hajduk Split II | - | NK Osijek II | 4:3 | ![]() |
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30. Round | 08/05/2021 | NK Osijek II | - | NK Sesvete | 0:3 | ||||
31. Round | 12/05/2021 | NK Solin | - | NK Osijek II | 4:3 | ||||
32. Round | 16/05/2021 | NK Osijek II | - | NK Rudeš | 2:3 | ![]() |
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33. Round | 22/05/2021 | HNK Cibalia | - | NK Osijek II | 2:2 | ||||
34. Round | 29/05/2021 | NK Osijek II | - | NK Dubrava | 0:5 |