| 1. Ronde | 13.08.2023 | FC Cartagena | - | CD Eldense | 0:1 | ||||
| 2. Ronde | 18.08.2023 | FC Andorra | - | FC Cartagena | 3:2 |  |
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| 3. Ronde | 25.08.2023 | FC Cartagena | - | Levante UD | 0:1 | ||||
| 4. Ronde | 02.09.2023 | Villarreal CF B | - | FC Cartagena | 1:2 | |
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| 5. Ronde | 10.09.2023 | FC Cartagena | - | Real Zaragoza | 1:3 | ||||
| 6. Ronde | 16.09.2023 | Real Valladolid | - | FC Cartagena | 1:0 | ||||
| 7. Ronde | 22.09.2023 | FC Cartagena | - | SD Eibar | 1:2 | ||||
| 12. Ronde | 23.10.2023 | AD Alcorcón | - | FC Cartagena | 1:1 | ||||
| 14. Ronde | 05.11.2023 | FC Cartagena | - | CD Leganés | 0:3 | ||||
| 21. Ronde | 21.12.2023 | SD Huesca | - | FC Cartagena | 3:0 | ||||
| 22. Ronde | 14.01.2024 | FC Cartagena | - | Villarreal CF B | 4:1 | ||||
| 25. Ronde | 03.02.2024 | Albacete | - | FC Cartagena | 1:1 | ||||
| 26. Ronde | 11.02.2024 | FC Cartagena | - | CD Mirandés | 1:0 | ||||
| 28. Ronde | 25.02.2024 | FC Cartagena | - | Elche CF | 0:1 | ||||
| 34. Ronde | 07.04.2024 | FC Cartagena | - | Real Valladolid | 0:2 | ||||
| 35. Ronde | 13.04.2024 | Sporting Gijón | - | FC Cartagena | 1:0 | ||||
| 41. Ronde | 26.05.2024 | FC Cartagena | - | SD Huesca | 0:2 |
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