| 1. Round | 13/08/2020 | Dinamo Zagreb II | - | NK BSK Bijelo Brdo | 3:0 | ||||
| 2. Round | 23/08/2020 | NK Croatia Zmijavci | - | NK BSK Bijelo Brdo | 0:2 | ||||
| 3. Round | 30/08/2020 | Hajduk Split II | - | NK BSK Bijelo Brdo | 2:2 | ||||
| 4. Round | 04/09/2020 | NK Sesvete | - | NK BSK Bijelo Brdo | 1:1 | ||||
| 5. Round | 16/09/2020 | NK BSK Bijelo Brdo | - | NK Solin | 3:1 | ||||
| 8. Round | 30/09/2020 | NK Dubrava | - | NK BSK Bijelo Brdo | 2:2 | ||||
| 10. Round | 16/10/2020 | Hrvatski Dragovoljac | - | NK BSK Bijelo Brdo | 1:1 |  |
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| 11. Round | 25/10/2020 | NK BSK Bijelo Brdo | - | NK Osijek II | 0:0 | ||||
| 14. Round | 20/11/2020 | NK Međimurje | - | NK BSK Bijelo Brdo | 2:5 | ||||
| 15. Round | 29/11/2020 | NK BSK Bijelo Brdo | - | NK Inter Zaprešić | 1:0 | ||||
| 16. Round | 05/12/2020 | NK Kustošija | - | NK BSK Bijelo Brdo | 0:0 |
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