| 1. Ronde | 18.10.2020 | CD Marino | - | RB Linense | 0:1 | ||||
| 2. Ronde | 25.10.2020 | Marbella FC | - | CD Marino | 5:1 |  |
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| 3. Ronde | 01.11.2020 | Algeciras CF | - | CD Marino | 2:1 |  |
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| 6. Ronde | 29.11.2020 | CD Marino | - | Atlético Sanluqueño CF | 0:1 | ||||
| 7. Ronde | 05.12.2020 | Recreativo Huelva | - | CD Marino | 6:0 | ||||
| 8. Ronde | 12.12.2020 | CD Marino | - | UD Las Palmas B | 0:0 | ||||
| 9. Ronde | 10.01.2021 | San Fernando CD | - | CD Marino | 2:3 | ||||
| 10. Ronde | 16.01.2021 | RB Linense | - | CD Marino | 1:0 | |
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| 11. Ronde | 23.01.2021 | CD Marino | - | Marbella FC | 0:3 | |
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| 12. Ronde | 30.01.2021 | CD Marino | - | Algeciras CF | 1:1 |  |
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| 13. Ronde | 07.02.2021 | UD Tamaraceite | - | CD Marino | 2:1 | ||||
| 14. Ronde | 13.02.2021 | CD Marino | - | Cádiz CF B | 0:0 | |
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| 16. Ronde | 06.03.2021 | CD Marino | - | Recreativo Huelva | 2:1 | |
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| 17. Ronde | 14.03.2021 | UD Las Palmas B | - | CD Marino | 2:1 | ||||
| 18. Ronde | 21.03.2021 | CD Marino | - | San Fernando CD | 0:1 | |
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