| 1. Round | 20/08/2017 | Bor. Mönchengladbach | - | 1. FC Köln | 1:0 | ||||
| 2. Round | 25/08/2017 | 1. FC Köln | - | Hamburger SV | 1:3 | ||||
| 4. Round | 17/09/2017 | Borussia Dortmund | - | 1. FC Köln | 5:0 | ||||
| 10. Round | 28/10/2017 | Bayer Leverkusen | - | 1. FC Köln | 2:1 | ||||
| 14. Round | 02/12/2017 | FC Schalke 04 | - | 1. FC Köln | 2:2 | ||||
| 15. Round | 10/12/2017 | 1. FC Köln | - | SC Freiburg | 3:4 | ||||
| 16. Round | 13/12/2017 | Bayern München | - | 1. FC Köln | 1:0 | ||||
| 17. Round | 16/12/2017 | 1. FC Köln | - | VfL Wolfsburg | 1:0 | ||||
| 24. Round | 25/02/2018 | RB Leipzig | - | 1. FC Köln | 1:2 | ||||
| 33. Round | 05/05/2018 | 1. FC Köln | - | Bayern München | 1:3 | ||||
| 34. Round | 12/05/2018 | VfL Wolfsburg | - | 1. FC Köln | 4:1 |
Germany