| 7. Round | 27/08/2017 | Cherno More Varna | - | Septemvri Sofia | 1:4 | ||||
| 8. Round | 11/09/2017 | Septemvri Sofia | - | Etar Veliko Tarnovo | 1:1 | ||||
| 9. Round | 15/09/2017 | Levski Sofia | - | Septemvri Sofia | 2:0 | ||||
| 10. Round | 24/09/2017 | Septemvri Sofia | - | PFC Ludogorets Razgrad | 1:4 | ||||
| 4. Round | 12/10/2017 | Botev Plovdiv | - | Septemvri Sofia | 5:0 |
Bulgaria