| 1er tour | 29.06.2017 | UE Santa Coloma | - | NK Osijek | 0:2 | ||||
| 1er tour | 06.07.2017 | NK Osijek | - | UE Santa Coloma | 4:0 |  |
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| 2e tour | 13.07.2017 | NK Osijek | - | FC Luzern | 2:0 | ||||
| 2e tour | 20.07.2017 | FC Luzern | - | NK Osijek | 2:1 | ||||
| 3e tour | 27.07.2017 | PSV Eindhoven | - | NK Osijek | 0:1 | ||||
| 3e tour | 03.08.2017 | NK Osijek | - | PSV Eindhoven | 1:0 | |
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| Play-offs | 17.08.2017 | NK Osijek | - | Austria Wien | 1:2 | ||||
| Play-offs | 24.08.2017 | Austria Wien | - | NK Osijek | 0:1 |
Croatie