| 1. Jornada | 29.07.2018 | NK Istra 1961 | - | Slaven Belupo | 1:1 | ||||
| 2. Jornada | 03.08.2018 | Dinamo Zagreb | - | NK Istra 1961 | 3:0 | ||||
| 3. Jornada | 12.08.2018 | NK Osijek | - | NK Istra 1961 | 3:0 | ||||
| 4. Jornada | 18.08.2018 | NK Istra 1961 | - | Lokomotiva Zagreb | 1:2 | ||||
| 6. Jornada | 02.09.2018 | NK Istra 1961 | - | HNK Gorica | 0:2 | ||||
| 7. Jornada | 14.09.2018 | NK Inter Zaprešić | - | NK Istra 1961 | 1:2 | ||||
| 26. Jornada | 30.03.2019 | NK Istra 1961 | - | Hajduk Split | 0:2 |  |
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| 29. Jornada | 13.04.2019 | NK Istra 1961 | - | Dinamo Zagreb | 0:4 | ||||
| 30. Jornada | 19.04.2019 | NK Istra 1961 | - | NK Osijek | 1:0 | ||||
| 31. Jornada | 26.04.2019 | Lokomotiva Zagreb | - | NK Istra 1961 | 1:1 | ||||
| 32. Jornada | 04.05.2019 | NK Istra 1961 | - | HNK Rijeka | 0:7 |  |
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| 33. Jornada | 10.05.2019 | HNK Gorica | - | NK Istra 1961 | 4:1 | ||||
| 34. Jornada | 14.05.2019 | NK Istra 1961 | - | NK Inter Zaprešić | 0:1 | ||||
| 36. Jornada | 24.05.2019 | NK Istra 1961 | - | NK Rudeš | 2:0 |
Croacia