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| H (Match allé) | Real Madrid Castilla | - | CD Eldense | 1:1 (0:1) | ||
| R (match retour) | CD Eldense | - | Real Madrid Castilla | 3:3 (1:2) ap | ||
| H (Match allé): 17.06.2023 19:30 | R (match retour): 25.06.2023 20:00 | vainqueur: Real Madrid Castilla | ||||
| H (Match allé) | CD Castellón | - | AD Alcorcón | 0:0 (0:0) | ||
| R (match retour) | AD Alcorcón | - | CD Castellón | 2:1 (0:1) | ||
| H (Match allé): 18.06.2023 19:00 | R (match retour): 24.06.2023 20:00 | vainqueur: AD Alcorcón | ||||
