| 1. Round | 18/10/2020 | CD Marino | - | RB Linense | 0:1 | ||||
| 2. Round | 25/10/2020 | Marbella FC | - | CD Marino | 5:1 | ||||
| 3. Round | 01/11/2020 | Algeciras CF | - | CD Marino | 2:1 |  |
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| 4. Round | 08/11/2020 | CD Marino | - | UD Tamaraceite | 0:0 | |
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| 5. Round | 22/11/2020 | Cádiz CF B | - | CD Marino | 3:1 | |
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| 6. Round | 29/11/2020 | CD Marino | - | Atlético Sanluqueño CF | 0:1 | ||||
| 7. Round | 05/12/2020 | Recreativo Huelva | - | CD Marino | 6:0 | |
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| 8. Round | 12/12/2020 | CD Marino | - | UD Las Palmas B | 0:0 | |
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| 10. Round | 16/01/2021 | RB Linense | - | CD Marino | 1:0 | |
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| 11. Round | 23/01/2021 | CD Marino | - | Marbella FC | 0:3 | |
Spain