| 1. Round | 14/08/2020 | NK Opatija | - | Hajduk Split II | 2:1 | ||||
| 2. Round | 23/08/2020 | Hajduk Split II | - | Dinamo Zagreb II | 1:0 | ||||
| 3. Round | 30/08/2020 | Hajduk Split II | - | NK BSK Bijelo Brdo | 2:2 | ||||
| 4. Round | 13/09/2020 | NK Croatia Zmijavci | - | Hajduk Split II | 4:0 | ||||
| 9. Round | 04/10/2020 | Hajduk Split II | - | NK Dubrava | 3:2 | ||||
| 16. Round | 04/12/2020 | NK Inter Zaprešić | - | Hajduk Split II | 3:1 | ||||
| 20. Round | 28/02/2021 | NK BSK Bijelo Brdo | - | Hajduk Split II | 2:0 | ||||
| 25. Round | 11/04/2021 | Hajduk Split II | - | HNK Cibalia | 2:0 | ||||
| 27. Round | 21/04/2021 | Hajduk Split II | - | HNK Orijent Rijeka | 3:3 |  |
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| 28. Round | 24/04/2021 | Hrvatski Dragovoljac | - | Hajduk Split II | 2:1 | |
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| 29. Round | 02/05/2021 | Hajduk Split II | - | NK Osijek II | 4:3 | ||||
| 30. Round | 08/05/2021 | NK Junak Sinj | - | Hajduk Split II | 2:0 | ||||
| 33. Round | 23/05/2021 | Hajduk Split II | - | NK Inter Zaprešić | 2:2 |
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