| 2. Round | 05/09/2017 | Cádiz CF | - | UD Almería | 1:0 | ||||
| 3. Round | 20/09/2017 | Cádiz CF | - | CA Osasuna | 1:0 | ||||
| 4. Round | 24/10/2017 | Cádiz CF | - | Real Betis | 1:2 |  |
|||
| 4. Round | 30/11/2017 | Real Betis | - | Cádiz CF | 3:5 | ||||
| Round of 16 | 03/01/2018 | Cádiz CF | - | Sevilla FC | 0:2 |
| 2. Round | 05/09/2017 | Cádiz CF | - | UD Almería | 1:0 | ||||
| 3. Round | 20/09/2017 | Cádiz CF | - | CA Osasuna | 1:0 | ||||
| 4. Round | 24/10/2017 | Cádiz CF | - | Real Betis | 1:2 | |
|||
| 4. Round | 30/11/2017 | Real Betis | - | Cádiz CF | 3:5 | ||||
| Round of 16 | 03/01/2018 | Cádiz CF | - | Sevilla FC | 0:2 |
| Alejandro Fernández Iglesias | |
| Born: | 15.10.1992 |
| Place of birth: |
Alcalá de Henares, 
Spain |
| Nationality: |
Spain
|
| Height: | 183 cm |
| Weight: | 72 kg |
| Position(s): | Central Midfielder Offensive Midfielder |
| Foot: | right |