18. Round | 13/02/2021 | HNK Orijent Rijeka | - | NK Osijek II | 3:0 | ||||
20. Round | 28/02/2021 | NK Croatia Zmijavci | - | NK Osijek II | 1:0 | ||||
21. Round | 06/03/2021 | NK Junak Sinj | - | NK Osijek II | 1:1 | ||||
22. Round | 13/03/2021 | NK Osijek II | - | NK Dugopolje | 2:0 | ||||
23. Round | 19/03/2021 | NK Međimurje | - | NK Osijek II | 0:1 | ||||
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 | ||||
26. Round | 17/04/2021 | NK Osijek II | - | NK Opatija | 1:0 | ||||
28. Round | 24/04/2021 | NK Osijek II | - | NK BSK Bijelo Brdo | 3:0 | ||||
27. Round | 28/04/2021 | Dinamo Zagreb II | - | NK Osijek II | 3:0 | ||||
29. Round | 02/05/2021 | Hajduk Split II | - | NK Osijek II | 4:3 | ||||
31. Round | 12/05/2021 | NK Solin | - | NK Osijek II | 4:3 | ||||
32. Round | 16/05/2021 | NK Osijek II | - | NK Rudeš | 2:3 | ||||
34. Round | 29/05/2021 | NK Osijek II | - | NK Dubrava | 0:5 |