| 1. Round | 10/03/2018 | Concordia Chiajna | - | Sepsi OSK | 1:1 | ||||
| 2. Round | 19/03/2018 | Sepsi OSK | - | FC Voluntari | 2:2 | ||||
| 6. Round | 23/04/2018 | FC Botoşani | - | Sepsi OSK | 2:2 | ||||
| 7. Round | 30/04/2018 | Sepsi OSK | - | Dinamo Bucureşti | 2:0 |  |
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| 8. Round | 07/05/2018 | Sepsi OSK | - | Concordia Chiajna | 0:2 | ||||
| 10. Round | 15/05/2018 | Sepsi OSK | - | ACS Poli Timişoara | 3:0 | ||||
| 12. Round | 24/05/2018 | Gaz Metan Mediaş | - | Sepsi OSK | 1:1 | ||||
| 14. Round | 01/06/2018 | Dinamo Bucureşti | - | Sepsi OSK | 0:0 | |
Spain