2. Round | 10/09/1988 | Atlético Madrid | - | Athletic Bilbao | 0:1 | ||||
3. Round | 17/09/1988 | Athletic Bilbao | - | Cádiz CF | 1:0 | ||||
6. Round | 09/10/1988 | Elche CF | - | Athletic Bilbao | 2:0 | ||||
7. Round | 15/10/1988 | Athletic Bilbao | - | Valencia CF | 1:2 | ||||
9. Round | 29/10/1988 | Athletic Bilbao | - | Sporting Gijón | 1:4 |