| 2. Liga | 20/10/18 | Holstein Kiel | - | 1. FC Köln | 1:1 | ||||
| 2. Liga | 31/03/19 | 1. FC Köln | - | Holstein Kiel | 4:0 | ||||
| Relegation | 29/05/21 | Holstein Kiel | - | 1. FC Köln | 1:5 | ||||
| DFB-Pokal | 18/08/24 | SV Sandhausen | - | 1. FC Köln | 2:3 aet |
| 2. Liga | 20/10/18 | Holstein Kiel | - | 1. FC Köln | 1:1 | ||||
| 2. Liga | 31/03/19 | 1. FC Köln | - | Holstein Kiel | 4:0 | ||||
| Relegation | 29/05/21 | Holstein Kiel | - | 1. FC Köln | 1:5 | ||||
| DFB-Pokal | 18/08/24 | SV Sandhausen | - | 1. FC Köln | 2:3 aet |
| Alexander Mühling (Bieler) | |
| Born: | 05.09.1992 |
| Place of birth: |
Oberhausen, 
Germany |
| Nationality: |
Germany
|
| Height: | 186 cm |
| Weight: | 84 kg |
| Position(s): | Central Midfielder Offensive Midfielder |
| Foot: | right |