| 1. Ronde | 17.10.2020 | SD Amorebieta | - | CD Laredo | 2:1 | ||||
| 2. Ronde | 24.10.2020 | CD Laredo | - | Barakaldo CF | 2:0 | ||||
| 4. Ronde | 08.11.2020 | CD Laredo | - | Real Unión | 1:0 | ||||
| 5. Ronde | 15.11.2020 | Arenas de Getxo | - | CD Laredo | 1:0 | ||||
| 6. Ronde | 21.11.2020 | CD Laredo | - | Racing Santander | 0:0 | ||||
| 7. Ronde | 29.11.2020 | Club Portugalete | - | CD Laredo | 0:1 |  |
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| 8. Ronde | 05.12.2020 | CD Laredo | - | Athletic Club B | 2:2 | ||||
| 9. Ronde | 13.12.2020 | CD Alavés B | - | CD Laredo | 3:0 | ||||
| 10. Ronde | 20.12.2020 | CD Laredo | - | SD Leioa | 2:1 | ||||
| 12. Ronde | 16.01.2021 | CD Laredo | - | SD Amorebieta | 1:3 | ||||
| 14. Ronde | 31.01.2021 | CD Laredo | - | Real Sociedad B | 0:0 | ||||
| 15. Ronde | 07.02.2021 | Real Unión | - | CD Laredo | 4:1 | ||||
| 16. Ronde | 13.02.2021 | CD Laredo | - | Arenas de Getxo | 1:0 |  |
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| 17. Ronde | 21.02.2021 | Racing Santander | - | CD Laredo | 3:1 | |
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| 18. Ronde | 28.02.2021 | CD Laredo | - | Club Portugalete | 0:1 | ||||
| 19. Ronde | 06.03.2021 | Athletic Club B | - | CD Laredo | 2:1 | |
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| 20. Ronde | 13.03.2021 | CD Laredo | - | CD Alavés B | 2:1 | ||||
| 21. Ronde | 21.03.2021 | SD Leioa | - | CD Laredo | 0:1 |
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