| 2. Round | 05/08/2023 | FC Schalke 04 | - | 1. FC Kaiserslautern | 3:0 | ||||
| 3. Round | 18/08/2023 | 1. FC Kaiserslautern | - | SV 07 Elversberg | 3:2 | ||||
| 4. Round | 25/08/2023 | SC Paderborn 07 | - | 1. FC Kaiserslautern | 1:2 |  |
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| 5. Round | 02/09/2023 | 1. FC Kaiserslautern | - | 1. FC Nürnberg | 3:1 | ||||
| 6. Round | 16/09/2023 | Karlsruher SC | - | 1. FC Kaiserslautern | 1:1 | ||||
| 7. Round | 24/09/2023 | 1. FC Kaiserslautern | - | Hansa Rostock | 3:1 | ||||
| 8. Round | 01/10/2023 | VfL Osnabrück | - | 1. FC Kaiserslautern | 2:2 | ||||
| 10. Round | 21/10/2023 | Fortuna Düsseldorf | - | 1. FC Kaiserslautern | 4:3 | ||||
| 11. Round | 28/10/2023 | 1. FC Kaiserslautern | - | Hamburger SV | 3:3 |  |
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| 12. Round | 04/11/2023 | 1. FC Kaiserslautern | - | SpVgg Greuther Fürth | 0:2 | ||||
| 13. Round | 12/11/2023 | SV Wehen Wiesbaden | - | 1. FC Kaiserslautern | 2:1 | ||||
| 14. Round | 26/11/2023 | 1. FC Kaiserslautern | - | Holstein Kiel | 0:3 | ||||
| 15. Round | 02/12/2023 | 1. FC Magdeburg | - | 1. FC Kaiserslautern | 4:1 | |
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| 16. Round | 09/12/2023 | 1. FC Kaiserslautern | - | Hertha BSC | 1:2 | ||||
| 17. Round | 17/12/2023 | Eintracht Braunschweig | - | 1. FC Kaiserslautern | 2:1 |
Germany