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| H | RC Celta B | - | CD Eldense | 3:2 (2:1) | ||
| R | CD Eldense | - | RC Celta B | 2:0 (0:0) | ||
| H: 03.06.2023 17:00 | R: 10.06.2023 19:00 | Sieger: CD Eldense | ||||
| H | Real Sociedad B | - | AD Alcorcón | 1:2 (0:1) | ||
| R | AD Alcorcón | - | Real Sociedad B | 1:1 (0:0) | ||
| H: 03.06.2023 19:00 | R: 10.06.2023 19:00 | Sieger: AD Alcorcón | ||||
| H | FC Barcelona B | - | Real Madrid Castilla | 4:2 (2:1) | ||
| R | Real Madrid Castilla | - | FC Barcelona B | 3:0 (1:0) | ||
| H: 03.06.2023 21:00 | R: 11.06.2023 20:00 | Sieger: Real Madrid Castilla | ||||
| H | Deportivo La Coruña | - | CD Castellón | 1:0 (0:0) | ||
| R | CD Castellón | - | Deportivo La Coruña | 4:3 (2:1) n.V. | ||
| H: 04.06.2023 19:00 | R: 11.06.2023 18:00 | Sieger: Deportivo La Coruña | ||||
