| 2. Round | 23/07/2017 | NK Istra 1961 | - | NK Osijek | 1:1 | ||||
| 3. Round | 30/07/2017 | NK Osijek | - | Dinamo Zagreb | 1:1 | ||||
| 5. Round | 12/08/2017 | Lokomotiva Zagreb | - | NK Osijek | 2:3 | ||||
| 14. Round | 28/10/2017 | NK Osijek | - | Lokomotiva Zagreb | 3:0 |  |
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| 16. Round | 18/11/2017 | NK Osijek | - | HNK Cibalia | 1:1 | ||||
| 18. Round | 02/12/2017 | NK Osijek | - | Slaven Belupo | 2:0 | ||||
| 19. Round | 09/12/2017 | NK Osijek | - | NK Rudeš | 3:0 | ||||
| 20. Round | 16/12/2017 | NK Istra 1961 | - | NK Osijek | 1:1 | ||||
| 28. Round | 07/04/2018 | NK Rudeš | - | NK Osijek | 1:0 | ||||
| 29. Round | 13/04/2018 | NK Osijek | - | NK Istra 1961 | 2:0 | ||||
| 30. Round | 18/04/2018 | Dinamo Zagreb | - | NK Osijek | 0:1 | ||||
| 31. Round | 21/04/2018 | HNK Rijeka | - | NK Osijek | 1:0 | ||||
| 32. Round | 28/04/2018 | NK Osijek | - | Lokomotiva Zagreb | 0:1 | ||||
| 36. Round | 18/05/2018 | Slaven Belupo | - | NK Osijek | 2:1 |
Croatia