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| U | CE Sabadell | - | Real Madrid | 3:2 | ||
| R | Real Madrid | - | CE Sabadell | 2:0 n.v. | ||
| U: 13.01.1988 | R: 20.01.1988 | Winnaars: Real Madrid | ||||
| U | CD Castellón | - | FC Barcelona | 1:1 | ||
| R | FC Barcelona | - | CD Castellón | 2:0 | ||
| U: 13.01.1988 | R: 20.01.1988 | Winnaars: FC Barcelona | ||||
| U | Castilla CF | - | CA Osasuna | 0:0 | ||
| R | CA Osasuna | - | Castilla CF | 3:1 | ||
| U: 13.01.1988 | R: 20.01.1988 | Winnaars: CA Osasuna | ||||
| U | Atlético Madrid | - | Real Sociedad | 2:1 | ||
| R | Real Sociedad | - | Atlético Madrid | 3:1 | ||
| U: 13.01.1988 | R: 21.01.1988 | Winnaars: Real Sociedad | ||||
