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| 1st(1st leg) | Sevilla FC | - | Valencia CF | 1:0 | ||
| 2nd (2nd leg) | Valencia CF | - | Sevilla FC | 2:4 (0:0, 1:0, 1:0) pso | ||
| 1st(1st leg): 04/05/1984 | 2nd (2nd leg): 12/05/1984 | Winner: Sevilla FC | ||||
| 1st(1st leg) | RCD Mallorca | - | UD Salamanca | 3:1 | ||
| 2nd (2nd leg) | UD Salamanca | - | RCD Mallorca | 1:1 | ||
| 1st(1st leg): 06/05/1984 | 2nd (2nd leg): 13/05/1984 | Winner: RCD Mallorca | ||||
| 1st(1st leg) | Real Madrid | - | Atlético Madrid | 1:1 | ||
| 2nd (2nd leg) | Atlético Madrid | - | Real Madrid | 3:2 | ||
| 1st(1st leg): 06/05/1984 | 2nd (2nd leg): 12/05/1984 | Winner: Atlético Madrid | ||||
| 1st(1st leg) | Real Sociedad | - | Cádiz CF | 2:0 | ||
| 2nd (2nd leg) | Cádiz CF | - | Real Sociedad | 0:0 | ||
| 1st(1st leg): 06/05/1984 | 2nd (2nd leg): 13/05/1984 | Winner: Real Sociedad | ||||
| 1st(1st leg) | Real Valladolid | - | Real Zaragoza | 1:0 | ||
| 2nd (2nd leg) | Real Zaragoza | - | Real Valladolid | 2:4 | ||
| 1st(1st leg): 06/05/1984 | 2nd (2nd leg): 13/05/1984 | Winner: Real Valladolid | ||||
| 1st(1st leg) | Espanyol Barcelona | - | Real Murcia | 2:1 | ||
| 2nd (2nd leg) | Real Murcia | - | Espanyol Barcelona | 1:4 | ||
| 1st(1st leg): 06/05/1984 | 2nd (2nd leg): 13/05/1984 | Winner: Espanyol Barcelona | ||||
| 1st(1st leg) | Real Madrid C | - | Sporting Gijón | 0:0 | ||
| 2nd (2nd leg) | Sporting Gijón | - | Real Madrid C | 3:0 | ||
| 1st(1st leg): 09/05/1984 | 2nd (2nd leg): 16/05/1984 | Winner: Sporting Gijón | ||||
| 1st(1st leg) | Sporting Gijón | - | Real Betis | 0:0 | ||
| 2nd (2nd leg) | Real Betis | - | Sporting Gijón | 4:4 | ||
| 1st(1st leg): 09/05/1984 | 2nd (2nd leg): 15/05/1984 | Winner: Sporting Gijón | ||||
| 1st(1st leg) | CD Málaga | - | Atlético Madrileño | 1:0 | ||
| 2nd (2nd leg) | Atlético Madrileño | - | CD Málaga | 0:2 | ||
| 1st(1st leg): 09/05/1984 | 2nd (2nd leg): 15/05/1984 | Winner: CD Málaga | ||||
| 1st(1st leg) | CA Osasuna | - | Albacete | 1:1 | ||
| 2nd (2nd leg) | Albacete | - | CA Osasuna | 1:5 | ||
| 1st(1st leg): 09/05/1984 | 2nd (2nd leg): 15/05/1984 | Winner: CA Osasuna | ||||
