21. Round | 10/02/2018 | HNK Rijeka | - | NK Istra 1961 | 4:0 | ||||
22. Round | 17/02/2018 | NK Istra 1961 | - | Lokomotiva Zagreb | 1:0 | ||||
26. Round | 16/03/2018 | NK Istra 1961 | - | Slaven Belupo | 2:1 | ||||
23. Round | 24/03/2018 | NK Inter Zaprešić | - | NK Istra 1961 | 1:0 | ||||
28. Round | 08/04/2018 | NK Istra 1961 | - | Dinamo Zagreb | 0:4 | ||||
29. Round | 13/04/2018 | NK Osijek | - | NK Istra 1961 | 2:0 | ||||
33. Round | 05/05/2018 | HNK Cibalia | - | NK Istra 1961 | 1:1 | ||||
35. Round | 14/05/2018 | Slaven Belupo | - | NK Istra 1961 | 1:0 |