| 1 | Sat 19 Aug 2023 | 40-1 v Borussia DortmundBorussia Dortmund 1-0 1 FC Köln | German Bundesliga |
| 2 | Sat 26 Aug 2023 | 41-2 v VfL Wolfsburg1 FC Köln 1-2 VfL Wolfsburg | German Bundesliga |
| 3 | Sun 3 Sep 2023 | 41-1 v Eintracht FrankfurtEintracht Frankfurt 1-1 1 FC Köln | German Bundesliga |
| 4 | Sat 16 Sep 2023 | 4 1-3 v 1899 Hoffenheim1 FC Köln 1-3 1899 Hoffenheim | German Bundesliga |
| 5 | Sat 23 Sep 2023 | 41-2 v Werder BremenWerder Bremen 2-1 1 FC Köln | German Bundesliga |
| 6 | Sat 30 Sep 2023 | 40-2 v VfB Stuttgart1 FC Köln 0-2 VfB Stuttgart | German Bundesliga |
| 7 | Sun 8 Oct 2023 | 40-3 v Bayer 04 LeverkusenBayer 04 Leverkusen 3-0 1 FC Köln | German Bundesliga |
| 8 | Sun 22 Oct 2023 | 43-1 v Borussia Mönchengladbach1 FC Köln 3-1 Borussia Mönchengladbach | German Bundesliga |
| 9 | Sat 28 Oct 2023 | 40-6 v RB LeipzigRB Leipzig 6-0 1 FC Köln | German Bundesliga |
| 10 | Sat 4 Nov 2023 | 41-1 v FC Augsburg1 FC Köln 1-1 FC Augsburg | German Bundesliga |
| 11 | Sat 11 Nov 2023 | 41-1 v VfL BochumVfL Bochum 1-1 1 FC Köln | German Bundesliga |
| 12 | Fri 24 Nov 2023 | 40-1 v Bayern Munich1 FC Köln 0-1 Bayern Munich | German Bundesliga |
| 13 | Fri 1 Dec 2023 | 4 1-0 v Darmstadt 98Darmstadt 98 0-1 1 FC Köln | German Bundesliga |
| 14 | Sun 10 Dec 2023 | 40-0 v Mainz 051 FC Köln 0-0 Mainz 05 | German Bundesliga |
| 15 | Sun 17 Dec 2023 | 40-2 v SC FreiburgSC Freiburg 2-0 1 FC Köln | German Bundesliga |
| 16 | Wed 20 Dec 2023 | 40-2 v 1 FC Union Berlin1 FC Union Berlin 2-0 1 FC Köln | German Bundesliga |
| 17 | Sat 13 Jan 2024 | 4 1-1 v 1 FC Heidenheim1 FC Köln 1-1 1 FC Heidenheim | German Bundesliga |
| 18 | Sat 20 Jan 2024 | 40-4 v Borussia Dortmund1 FC Köln 0-4 Borussia Dortmund | German Bundesliga |
| 19 | Sat 27 Jan 2024 | 41-1 v VfL WolfsburgVfL Wolfsburg 1-1 1 FC Köln | German Bundesliga |
| 20 | Sat 3 Feb 2024 | 42-0 v Eintracht Frankfurt1 FC Köln 2-0 Eintracht Frankfurt | German Bundesliga |
| 21 | Fri 16 Feb 2024 | 4 0-1 v Werder Bremen1 FC Köln 0-1 Werder Bremen | German Bundesliga |
| 22 | Sun 3 Mar 2024 | 40-2 v Bayer 04 Leverkusen1 FC Köln 0-2 Bayer 04 Leverkusen | German Bundesliga |
| 23 | Sat 9 Mar 2024 | 4 3-3 v Borussia MönchengladbachBorussia Mönchengladbach 3-3 1 FC Köln | German Bundesliga |
| 24 | Sun 31 Mar 2024 | 41-1 v FC AugsburgFC Augsburg 1-1 1 FC Köln | German Bundesliga |
| 25 | Sat 6 Apr 2024 | 42-1 v VfL Bochum1 FC Köln 2-1 VfL Bochum | German Bundesliga |
| 26 | Sat 13 Apr 2024 | 40-2 v Bayern MunichBayern Munich 2-0 1 FC Köln | German Bundesliga |
| 27 | Sat 20 Apr 2024 | 40-2 v Darmstadt 981 FC Köln 0-2 Darmstadt 98 | German Bundesliga |
| 28 | Sun 28 Apr 2024 | 41-1 v Mainz 05Mainz 05 1-1 1 FC Köln | German Bundesliga |
| 29 | Sat 4 May 2024 | 40-0 v SC Freiburg1 FC Köln 0-0 SC Freiburg | German Bundesliga |
| 30 | Sat 11 May 2024 | 43-2 v 1 FC Union Berlin1 FC Köln 3-2 1 FC Union Berlin | German Bundesliga |
| 31 | Sat 18 May 2024 | 4 1-4 v 1 FC Heidenheim1 FC Heidenheim 4-1 1 FC Köln | German Bundesliga |
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