| 6. Round | 29/09/2019 | 1. FC Köln | - | Hertha BSC | 0:4 | ||||
| 9. Round | 25/10/2019 | 1. FSV Mainz 05 | - | 1. FC Köln | 3:1 | ||||
| 13. Round | 30/11/2019 | 1. FC Köln | - | FC Augsburg | 1:1 | ||||
| 14. Round | 08/12/2019 | 1. FC Union Berlin | - | 1. FC Köln | 2:0 | ||||
| 16. Round | 18/12/2019 | Eintracht Frankfurt | - | 1. FC Köln | 2:4 | ||||
| 17. Round | 21/12/2019 | 1. FC Köln | - | Werder Bremen | 1:0 | ||||
| 20. Round | 02/02/2020 | 1. FC Köln | - | SC Freiburg | 4:0 | ||||
| 22. Round | 16/02/2020 | 1. FC Köln | - | Bayern München | 1:4 | ||||
| 23. Round | 22/02/2020 | Hertha BSC | - | 1. FC Köln | 0:5 | ||||
| 24. Round | 29/02/2020 | 1. FC Köln | - | FC Schalke 04 | 3:0 | ||||
| 25. Round | 06/03/2020 | SC Paderborn 07 | - | 1. FC Köln | 1:2 | ||||
| 21. Round | 11/03/2020 | Bor. Mönchengladbach | - | 1. FC Köln | 2:1 | ||||
| 26. Round | 17/05/2020 | 1. FC Köln | - | 1. FSV Mainz 05 | 2:2 | ||||
| 28. Round | 27/05/2020 | 1899 Hoffenheim | - | 1. FC Köln | 3:1 | ||||
| 29. Round | 01/06/2020 | 1. FC Köln | - | RB Leipzig | 2:4 | ||||
| 30. Round | 07/06/2020 | FC Augsburg | - | 1. FC Köln | 1:1 |  |
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| 31. Round | 13/06/2020 | 1. FC Köln | - | 1. FC Union Berlin | 1:2 | ||||
| 33. Round | 20/06/2020 | 1. FC Köln | - | Eintracht Frankfurt | 1:1 |
Germany