| 1. Journée | 14.08.2020 | NK Kustošija | - | NK Sesvete | 1:4 |  |
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| 2. Journée | 22.08.2020 | NK Solin | - | NK Kustošija | 1:2 |  |
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| 3. Journée | 29.08.2020 | NK Kustošija | - | NK Rudeš | 0:0 | ||||
| 4. Journée | 12.09.2020 | HNK Cibalia | - | NK Kustošija | 1:2 | |
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| 5. Journée | 16.09.2020 | NK Kustošija | - | NK Dubrava | 0:0 | ||||
| 6. Journée | 20.09.2020 | HNK Orijent Rijeka | - | NK Kustošija | 1:1 | |
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| 7. Journée | 26.09.2020 | NK Kustošija | - | Hrvatski Dragovoljac | 0:0 | |
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| 9. Journée | 03.10.2020 | NK Kustošija | - | NK Junak Sinj | 3:2 | ||||
| 10. Journée | 17.10.2020 | NK Dugopolje | - | NK Kustošija | 2:0 | ||||
| 11. Journée | 24.10.2020 | NK Kustošija | - | NK Međimurje | 0:0 | ||||
| 12. Journée | 30.10.2020 | NK Inter Zaprešić | - | NK Kustošija | 2:2 | |
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| 14. Journée | 21.11.2020 | NK Kustošija | - | NK Opatija | 2:1 | ||||
| 15. Journée | 29.11.2020 | Dinamo Zagreb II | - | NK Kustošija | 1:1 | ||||
| 16. Journée | 05.12.2020 | NK Kustošija | - | NK BSK Bijelo Brdo | 0:0 |
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