| 2. Round | 06/01/2021 | Haro Deportivo | - | Rayo Vallecano | 1:3 | ||||
| 3. Round | 16/01/2021 | Rayo Vallecano | - | Elche CF | 2:0 | ||||
| Round of 16 | 27/01/2021 | Rayo Vallecano | - | FC Barcelona | 1:2 |
| 2. Round | 06/01/2021 | Haro Deportivo | - | Rayo Vallecano | 1:3 | ||||
| 3. Round | 16/01/2021 | Rayo Vallecano | - | Elche CF | 2:0 | ||||
| Round of 16 | 27/01/2021 | Rayo Vallecano | - | FC Barcelona | 1:2 |
| Esteban Ariel Saveljich | |
| Born: | 20.05.1991 |
| Place of birth: |
Tandil, 
Argentina |
| Nationality: |
Argentina
Montenegro |
| Height: | 187 cm |
| Weight: | 80 kg |
| Position(s): | Centre Back Right Back |
| Foot: | right |