| 1. Jornada | 15.07.2017 | Dinamo Zagreb | - | NK Istra 1961 | 2:0 |  |
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| 2. Jornada | 23.07.2017 | NK Istra 1961 | - | NK Osijek | 1:1 | ||||
| 3. Jornada | 29.07.2017 | HNK Rijeka | - | NK Istra 1961 | 2:0 | ||||
| 4. Jornada | 04.08.2017 | NK Istra 1961 | - | Lokomotiva Zagreb | 1:2 | ||||
| 5. Jornada | 12.08.2017 | NK Inter Zaprešić | - | NK Istra 1961 | 2:2 |  |
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| 6. Jornada | 18.08.2017 | NK Istra 1961 | - | HNK Cibalia | 0:1 | ||||
| 7. Jornada | 27.08.2017 | Hajduk Split | - | NK Istra 1961 | 2:0 | ||||
| 8. Jornada | 08.09.2017 | NK Istra 1961 | - | Slaven Belupo | 1:0 | ||||
| 9. Jornada | 17.09.2017 | NK Rudeš | - | NK Istra 1961 | 1:0 | |
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| 10. Jornada | 24.09.2017 | NK Istra 1961 | - | Dinamo Zagreb | 0:0 | |
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| 12. Jornada | 14.10.2017 | NK Istra 1961 | - | HNK Rijeka | 1:0 | |
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| 13. Jornada | 22.10.2017 | Lokomotiva Zagreb | - | NK Istra 1961 | 1:0 | |
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| 14. Jornada | 30.10.2017 | NK Istra 1961 | - | NK Inter Zaprešić | 1:1 | ||||
| 15. Jornada | 04.11.2017 | HNK Cibalia | - | NK Istra 1961 | 1:4 | |
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| 16. Jornada | 19.11.2017 | NK Istra 1961 | - | Hajduk Split | 1:3 | |
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| 18. Jornada | 04.12.2017 | NK Istra 1961 | - | NK Rudeš | 2:1 |  |
Macedonia del Norte