| 2. Ronde | 18.08.2023 | FC Andorra | - | FC Cartagena | 3:2 | ||||
| 3. Ronde | 25.08.2023 | FC Cartagena | - | Levante UD | 0:1 | ||||
| 4. Ronde | 02.09.2023 | Villarreal CF B | - | FC Cartagena | 1:2 | ||||
| 5. Ronde | 10.09.2023 | FC Cartagena | - | Real Zaragoza | 1:3 |  |
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| 6. Ronde | 16.09.2023 | Real Valladolid | - | FC Cartagena | 1:0 | ||||
| 7. Ronde | 22.09.2023 | FC Cartagena | - | SD Eibar | 1:2 | ||||
| 8. Ronde | 01.10.2023 | SD Amorebieta | - | FC Cartagena | 0:0 |  |
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| 9. Ronde | 05.10.2023 | FC Cartagena | - | Espanyol | 0:2 | ||||
| 10. Ronde | 08.10.2023 | Racing Ferrol | - | FC Cartagena | 1:1 | ||||
| 16. Ronde | 19.11.2023 | FC Cartagena | - | Albacete | 1:1 | ||||
| 26. Ronde | 11.02.2024 | FC Cartagena | - | CD Mirandés | 1:0 | ||||
| 27. Ronde | 16.02.2024 | Real Zaragoza | - | FC Cartagena | 1:2 | |
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| 28. Ronde | 25.02.2024 | FC Cartagena | - | Elche CF | 0:1 | ||||
| 31. Ronde | 15.03.2024 | CD Eldense | - | FC Cartagena | 0:0 | ||||
| 32. Ronde | 23.03.2024 | FC Cartagena | - | FC Andorra | 1:0 | ||||
| 35. Ronde | 13.04.2024 | Sporting Gijón | - | FC Cartagena | 1:0 | ||||
| 40. Ronde | 19.05.2024 | SD Eibar | - | FC Cartagena | 1:0 | ||||
| 41. Ronde | 26.05.2024 | FC Cartagena | - | SD Huesca | 0:2 |
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