| 1. Round | 18/10/2020 | UD Tamaraceite | - | San Fernando CD | 0:0 | ||||
| 2. Round | 25/10/2020 | San Fernando CD | - | Cádiz CF B | 0:1 | ||||
| 3. Round | 01/11/2020 | Atlético Sanluqueño CF | - | San Fernando CD | 1:3 | ||||
| 5. Round | 22/11/2020 | UD Las Palmas B | - | San Fernando CD | 2:1 | ||||
| 6. Round | 28/11/2020 | San Fernando CD | - | Algeciras CF | 1:2 | ||||
| 7. Round | 05/12/2020 | San Fernando CD | - | RB Linense | 2:1 |  |
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| 4. Round | 09/12/2020 | San Fernando CD | - | Recreativo Huelva | 1:0 | ||||
| 8. Round | 13/12/2020 | Marbella FC | - | San Fernando CD | 1:2 | ||||
| 9. Round | 10/01/2021 | San Fernando CD | - | CD Marino | 2:3 | ||||
| 10. Round | 17/01/2021 | San Fernando CD | - | UD Tamaraceite | 1:0 | ||||
| 12. Round | 31/01/2021 | San Fernando CD | - | Atlético Sanluqueño CF | 2:0 | ||||
| 16. Round | 07/03/2021 | RB Linense | - | San Fernando CD | 0:0 | ||||
| 18. Round | 21/03/2021 | CD Marino | - | San Fernando CD | 0:1 |
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