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| 1st(1st leg) | Athletic Bilbao | - | CD Logroñés | 2:0 | ||
| 2nd (2nd leg) | CD Logroñés | - | Athletic Bilbao | 1:0 | ||
| 1st(1st leg): 25/02/1987 19:15 | 2nd (2nd leg): 11/03/1987 19:30 | Winner: Athletic Bilbao | ||||
| 1st(1st leg) | CA Osasuna | - | Real Madrid | 1:2 | ||
| 2nd (2nd leg) | Real Madrid | - | CA Osasuna | 4:1 | ||
| 1st(1st leg): 25/02/1987 19:30 | 2nd (2nd leg): 11/03/1987 20:00 | Winner: Real Madrid | ||||
| 1st(1st leg) | Atlético Madrid | - | RCD Mallorca | 1:0 | ||
| 2nd (2nd leg) | RCD Mallorca | - | Atlético Madrid | 1:3 | ||
| 1st(1st leg): 25/02/1987 20:00 | 2nd (2nd leg): 11/03/1987 20:00 | Winner: Atlético Madrid | ||||
| 1st(1st leg) | RCD Mallorca B | - | Real Sociedad | 0:0 | ||
| 2nd (2nd leg) | Real Sociedad | - | RCD Mallorca B | 10:0 | ||
| 1st(1st leg): 25/02/1987 20:00 | 2nd (2nd leg): 11/03/1987 19:15 | Winner: Real Sociedad | ||||
