| 1. Round | 18/10/2020 | Levante UD B | - | UD Ibiza | 0:1 | ||||
| 2. Round | 25/10/2020 | UD Ibiza | - | CF La Nucía | 3:0 |  |
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| 4. Round | 08/11/2020 | UD Ibiza | - | Atzeneta UE | 1:0 | ||||
| 3. Round | 18/11/2020 | CD Alcoyano | - | UD Ibiza | 1:2 | ||||
| 5. Round | 22/11/2020 | Valencia CF B | - | UD Ibiza | 0:4 |  |
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| 6. Round | 29/11/2020 | UD Ibiza | - | Hércules CF | 1:0 | |
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| 7. Round | 06/12/2020 | Orihuela CF | - | UD Ibiza | 0:0 | |
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| 8. Round | 13/12/2020 | Peña Deportiva | - | UD Ibiza | 0:0 | ||||
| 9. Round | 10/01/2021 | UD Ibiza | - | Villarreal CF B | 2:0 | |
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| 10. Round | 17/01/2021 | UD Ibiza | - | Levante UD B | 1:0 | |
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| 12. Round | 31/01/2021 | UD Ibiza | - | CD Alcoyano | 0:1 | ||||
| 13. Round | 07/02/2021 | Atzeneta UE | - | UD Ibiza | 1:1 | |
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| 14. Round | 14/02/2021 | UD Ibiza | - | Valencia CF B | 3:0 | |
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| 15. Round | 21/02/2021 | Hércules CF | - | UD Ibiza | 1:0 | ||||
| 16. Round | 07/03/2021 | UD Ibiza | - | Orihuela CF | 2:0 | ||||
| 17. Round | 14/03/2021 | UD Ibiza | - | Peña Deportiva | 1:1 | ||||
| 18. Round | 21/03/2021 | Villarreal CF B | - | UD Ibiza | 0:3 | |
Spain