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| 1st(1st leg) | Benidorm CD | - | FC Barcelona | 0:1 (0:0) | ||
| 2nd (2nd leg) | FC Barcelona | - | Benidorm CD | 3:0 (2:0) | ||
| 1st(1st leg): 20/01/1999 | 2nd (2nd leg): 04/02/1999 | Winner: FC Barcelona | ||||
| 1st(1st leg) | Real Sociedad | - | Atlético Madrid | 1:2 (0:1) | ||
| 2nd (2nd leg) | Atlético Madrid | - | Real Sociedad | 0:1 (0:1) | ||
| 1st(1st leg): 20/01/1999 | 2nd (2nd leg): 02/02/1999 | Winner: Atlético Madrid | ||||
| 1st(1st leg) | RC Celta | - | Deportivo La Coruña | 0:1 (0:1) | ||
| 2nd (2nd leg) | Deportivo La Coruña | - | RC Celta | 1:1 (0:0, 0:1) aet | ||
| 1st(1st leg): 20/01/1999 | 2nd (2nd leg): 03/02/1999 | Winner: Deportivo La Coruña | ||||
| 1st(1st leg) | Athletic Bilbao | - | Racing Santander | 2:2 (0:0) | ||
| 2nd (2nd leg) | Racing Santander | - | Athletic Bilbao | 1:0 (1:0) | ||
| 1st(1st leg): 20/01/1999 | 2nd (2nd leg): 03/02/1999 | Winner: Racing Santander | ||||
| 1st(1st leg) | Real Betis | - | RCD Mallorca | 0:1 (0:0) | ||
| 2nd (2nd leg) | RCD Mallorca | - | Real Betis | 1:0 (0:0) | ||
| 1st(1st leg): 20/01/1999 | 2nd (2nd leg): 03/02/1999 | Winner: RCD Mallorca | ||||
| 1st(1st leg) | Levante UD | - | Valencia CF | 0:3 (0:1) | ||
| 2nd (2nd leg) | Valencia CF | - | Levante UD | 1:0 (0:0) | ||
| 1st(1st leg): 20/01/1999 | 2nd (2nd leg): 03/02/1999 | Winner: Valencia CF | ||||
| 1st(1st leg) | Espanyol Barcelona | - | Real Valladolid | 4:2 (2:0) | ||
| 2nd (2nd leg) | Real Valladolid | - | Espanyol Barcelona | 2:2 (0:2) | ||
| 1st(1st leg): 20/01/1999 | 2nd (2nd leg): 03/02/1999 | Winner: Espanyol Barcelona | ||||
| 1st(1st leg) | Real Madrid | - | Villarreal CF | 2:0 (0:0) | ||
| 2nd (2nd leg) | Villarreal CF | - | Real Madrid | 0:2 (0:2) | ||
| 1st(1st leg): 21/01/1999 | 2nd (2nd leg): 03/02/1999 | Winner: Real Madrid | ||||
