| 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 | |
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| 4. Ronde | 02.09.2023 | Villarreal CF B | - | FC Cartagena | 1:2 | ||||
| 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 | ||||
| 8. Ronde | 01.10.2023 | SD Amorebieta | - | FC Cartagena | 0:0 | ||||
| 9. Ronde | 05.10.2023 | FC Cartagena | - | Espanyol | 0:2 | ||||
| 10. Ronde | 08.10.2023 | Racing Ferrol | - | FC Cartagena | 1:1 | ||||
| 13. Ronde | 29.10.2023 | CD Mirandés | - | FC Cartagena | 2:1 | ||||
| 14. Ronde | 05.11.2023 | FC Cartagena | - | CD Leganés | 0:3 | ||||
| 15. Ronde | 13.11.2023 | Real Oviedo | - | FC Cartagena | 1:1 | ||||
| 16. Ronde | 19.11.2023 | FC Cartagena | - | Albacete | 1:1 | ||||
| 17. Ronde | 26.11.2023 | CD Tenerife | - | FC Cartagena | 1:1 |  |
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| 18. Ronde | 02.12.2023 | FC Cartagena | - | Sporting Gijón | 1:0 | ||||
| 19. Ronde | 10.12.2023 | Elche CF | - | FC Cartagena | 1:2 | |
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| 20. Ronde | 16.12.2023 | FC Cartagena | - | Burgos CF | 0:3 | ||||
| 21. Ronde | 21.12.2023 | SD Huesca | - | FC Cartagena | 3:0 |
Zweden