| 1. Jornada | 23.07.2023 | Lokomotiva Zagreb | - | NK Istra 1961 | 1:1 | ||||
| 2. Jornada | 29.07.2023 | NK Istra 1961 | - | Dinamo Zagreb | 0:3 | ||||
| 3. Jornada | 06.08.2023 | HNK Rijeka | - | NK Istra 1961 | 6:0 |  |
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| 4. Jornada | 13.08.2023 | NK Istra 1961 | - | NK Osijek | 4:4 |  |
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| 5. Jornada | 19.08.2023 | Slaven Belupo | - | NK Istra 1961 | 2:2 | |
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| 8. Jornada | 17.09.2023 | NK Varaždin | - | NK Istra 1961 | 1:0 | ||||
| 9. Jornada | 23.09.2023 | NK Istra 1961 | - | HNK Gorica | 0:1 | ||||
| 10. Jornada | 02.10.2023 | NK Istra 1961 | - | Lokomotiva Zagreb | 0:4 | ||||
| 13. Jornada | 28.10.2023 | NK Osijek | - | NK Istra 1961 | 3:1 | ||||
| 15. Jornada | 11.11.2023 | NK Rudeš | - | NK Istra 1961 | 0:4 |
Alemania