| 19. Round | 26/01/2024 | 1. FC Kaiserslautern | - | FC Schalke 04 | 4:1 |  |
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| 20. Round | 04/02/2024 | SV 07 Elversberg | - | 1. FC Kaiserslautern | 2:1 | ||||
| 21. Round | 10/02/2024 | 1. FC Kaiserslautern | - | SC Paderborn 07 | 1:2 | ||||
| 23. Round | 24/02/2024 | 1. FC Kaiserslautern | - | Karlsruher SC | 0:4 | ||||
| 26. Round | 16/03/2024 | Hannover 96 | - | 1. FC Kaiserslautern | 1:1 |  |
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| 28. Round | 06/04/2024 | Hamburger SV | - | 1. FC Kaiserslautern | 2:1 |
Switzerland
Serbia