 |
 |
| 1st(1st leg) | NK Istra 1961 | - | NK Varaždin | 3:1 (0:1) | ||
| 2nd (2nd leg) | NK Varaždin | - | NK Istra 1961 | 1:0 (0:0) | ||
| 1st(1st leg): 30/05/2018 18:00 | 2nd (2nd leg): 02/06/2018 18:00 | Winner: NK Istra 1961 | ||||
|
|
| 1st(1st leg) | NK Istra 1961 | - | NK Varaždin | 3:1 (0:1) | ||
| 2nd (2nd leg) | NK Varaždin | - | NK Istra 1961 | 1:0 (0:0) | ||
| 1st(1st leg): 30/05/2018 18:00 | 2nd (2nd leg): 02/06/2018 18:00 | Winner: NK Istra 1961 | ||||
