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| 1st(1st leg) | Burgos CF | - | Real Sociedad | 0:2 (0:1) | ||
| 2nd (2nd leg) | Real Sociedad | - | Burgos CF | 0:0 (0:0) | ||
| 1st(1st leg): 07/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: Real Sociedad | ||||
| 1st(1st leg) | CD Ourense | - | RC Celta | 0:1 (0:0) | ||
| 2nd (2nd leg) | RC Celta | - | CD Ourense | 2:1 (0:1, 0:1) aet | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 28/10/1997 | Winner: RC Celta | ||||
| 1st(1st leg) | CD Alavés | - | Real Oviedo | 1:0 (1:0) | ||
| 2nd (2nd leg) | Real Oviedo | - | CD Alavés | 0:0 (0:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: CD Alavés | ||||
| 1st(1st leg) | SD Eibar | - | SD Compostela | 0:0 (0:0) | ||
| 2nd (2nd leg) | SD Compostela | - | SD Eibar | 1:0 (1:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: SD Compostela | ||||
| 1st(1st leg) | CD Numancia | - | Racing Santander | 2:2 (1:0) | ||
| 2nd (2nd leg) | Racing Santander | - | CD Numancia | 1:0 (0:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: Racing Santander | ||||
| 1st(1st leg) | CA Osasuna | - | Sporting Gijón | 1:1 (0:1) | ||
| 2nd (2nd leg) | Sporting Gijón | - | CA Osasuna | 0:1 (0:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: CA Osasuna | ||||
| 1st(1st leg) | UE Figueres | - | Espanyol Barcelona | 1:1 (1:0) | ||
| 2nd (2nd leg) | Espanyol Barcelona | - | UE Figueres | 1:2 (1:2) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: UE Figueres | ||||
| 1st(1st leg) | UE Lleida | - | Real Zaragoza | 1:1 (1:1) | ||
| 2nd (2nd leg) | Real Zaragoza | - | UE Lleida | 2:1 (2:1) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: Real Zaragoza | ||||
| 1st(1st leg) | CD Toledo | - | UD Salamanca | 0:1 (0:0) | ||
| 2nd (2nd leg) | UD Salamanca | - | CD Toledo | 2:0 (1:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: UD Salamanca | ||||
| 1st(1st leg) | Rayo Vallecano | - | CF Extremadura | 0:1 (0:0) | ||
| 2nd (2nd leg) | CF Extremadura | - | Rayo Vallecano | 0:0 (0:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: CF Extremadura | ||||
| 1st(1st leg) | Hércules CF | - | Valencia CF | 0:3 (0:0) | ||
| 2nd (2nd leg) | Valencia CF | - | Hércules CF | 1:0 (0:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: Valencia CF | ||||
| 1st(1st leg) | Novelda CF | - | Elche CF | 1:0 (0:0) | ||
| 2nd (2nd leg) | Elche CF | - | Novelda CF | 0:0 (0:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: Novelda CF | ||||
| 1st(1st leg) | Lorca CF | - | Albacete | 0:2 (0:1) | ||
| 2nd (2nd leg) | Albacete | - | Lorca CF | 2:4 (1:2) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: Lorca CF | ||||
| 1st(1st leg) | CF Sóller | - | RCD Mallorca | 1:1 (1:1) | ||
| 2nd (2nd leg) | RCD Mallorca | - | CF Sóller | 6:0 (2:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: RCD Mallorca | ||||
| 1st(1st leg) | Xerez CD | - | Real Jaén | 0:0 (0:0) | ||
| 2nd (2nd leg) | Real Jaén | - | Xerez CD | 1:1 (1:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: Xerez CD | ||||
| 1st(1st leg) | CD Isla Cristina | - | Recreativo Huelva | 1:2 (0:0) | ||
| 2nd (2nd leg) | Recreativo Huelva | - | CD Isla Cristina | 2:0 (1:0) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: Recreativo Huelva | ||||
| 1st(1st leg) | UD Las Palmas | - | CD Tenerife | 3:2 (3:2) | ||
| 2nd (2nd leg) | CD Tenerife | - | UD Las Palmas | 2:2 (1:2) | ||
| 1st(1st leg): 08/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: UD Las Palmas | ||||
| 1st(1st leg) | CD Badajoz | - | CP Mérida | 0:0 (0:0) | ||
| 2nd (2nd leg) | CP Mérida | - | CD Badajoz | 3:0 (2:0) | ||
| 1st(1st leg): 09/10/1997 | 2nd (2nd leg): 29/10/1997 | Winner: CP Mérida | ||||
