| 1. Jornada | 13.09.2020 | Real Oviedo | - | FC Cartagena | 0:0 |  |
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| 2. Jornada | 20.09.2020 | FC Cartagena | - | Sporting | 0:1 | ||||
| 3. Jornada | 27.09.2020 | Leganés | - | FC Cartagena | 3:1 | ||||
| 4. Jornada | 04.10.2020 | FC Cartagena | - | Lugo | 2:1 | ||||
| 11. Jornada | 07.11.2020 | FC Cartagena | - | UD Logroñés | 0:1 | ||||
| 12. Jornada | 15.11.2020 | CD Castellón | - | FC Cartagena | 2:1 | ||||
| 13. Jornada | 21.11.2020 | Mirandés | - | FC Cartagena | 4:1 | ||||
| 21. Jornada | 10.01.2021 | Tenerife | - | FC Cartagena | 3:0 | ||||
| 22. Jornada | 25.01.2021 | FC Cartagena | - | Mirandés | 0:2 | ||||
| 23. Jornada | 31.01.2021 | Sporting | - | FC Cartagena | 0:0 |
España