| 1. Round | 15/05/2021 | Burgos CF | - | CD Calahorra | 1:0 aet |  |
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| 2. Round | 23/05/2021 | Burgos CF | - | Athletic Club B | 1:0 aet |
| 1. Round | 15/05/2021 | Burgos CF | - | CD Calahorra | 1:0 aet | |
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| 2. Round | 23/05/2021 | Burgos CF | - | Athletic Club B | 1:0 aet |
| Unai Elgezabal Udondo | |
| Born: | 25.04.1993 |
| Place of birth: |
Barakaldo, 
Spain |
| Nationality: |
Spain
|
| Height: | 185 cm |
| Weight: | 74 kg |
| Position(s): | Centre Back Defensive Midfielder |
| Foot: | right |