| 1. Journée | 15.08.2020 | NK Osijek | - | Slaven Belupo | 0:0 | ||||
| 2. Journée | 23.08.2020 | NK Osijek | - | Hajduk Split | 1:2 | ||||
| 3. Journée | 30.08.2020 | Dinamo Zagreb | - | NK Osijek | 4:1 | ||||
| 5. Journée | 20.09.2020 | NK Varaždin | - | NK Osijek | 0:1 | ||||
| 6. Journée | 26.09.2020 | NK Osijek | - | HNK Gorica | 2:1 |  |
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| 7. Journée | 03.10.2020 | HNK Šibenik | - | NK Osijek | 0:2 | ||||
| 10. Journée | 31.10.2020 | Slaven Belupo | - | NK Osijek | 0:1 | ||||
| 11. Journée | 07.11.2020 | Hajduk Split | - | NK Osijek | 1:1 | ||||
| 12. Journée | 21.11.2020 | NK Osijek | - | Dinamo Zagreb | 2:0 | ||||
| 9. Journée | 25.11.2020 | NK Istra 1961 | - | NK Osijek | 1:4 | ||||
| 13. Journée | 29.11.2020 | HNK Rijeka | - | NK Osijek | 1:1 | ||||
| 14. Journée | 05.12.2020 | NK Osijek | - | NK Varaždin | 1:0 |
Congo