| 12. Round | 18/11/2017 | Rot-Weiß Oberhausen [Youth] | - | 1. FC Köln [Youth] | 0:0 | ||||
| 13. Round | 25/11/2017 | 1. FC Köln [Youth] | - | Fortuna Köln [Youth] | 6:0 | ||||
| 16. Round | 04/02/2018 | 1. FC Köln [Youth] | - | FC Schalke 04 [Youth] | 0:2 | ||||
| 19. Round | 24/02/2018 | Arminia Bielefeld [Youth] | - | 1. FC Köln [Youth] | 0:5 | ||||
| 15. Round | 28/03/2018 | Arminia Klosterhardt [Youth] | - | 1. FC Köln [Youth] | 1:1 | ||||
| 23. Round | 14/04/2018 | 1. FC Köln [Youth] | - | SC Paderborn 07 [Youth] | 3:0 | ||||
| 20. Round | 25/04/2018 | Preußen Münster [Youth] | - | 1. FC Köln [Youth] | 0:5 | ||||
| 26. Round | 05/05/2018 | Fortuna Köln [Youth] | - | 1. FC Köln [Youth] | 0:11 |  |
Germany
Turkey