6. Round | 09/10/1988 | Elche CF | - | Athletic Bilbao | 2:0 | ||||
7. Round | 15/10/1988 | Athletic Bilbao | - | Valencia CF | 1:2 | ||||
8. Round | 23/10/1988 | CA Osasuna | - | Athletic Bilbao | 1:0 | ||||
9. Round | 29/10/1988 | Athletic Bilbao | - | Sporting Gijón | 1:4 | ||||
10. Round | 04/11/1988 | Real Sociedad | - | Athletic Bilbao | 1:0 | ||||
11. Round | 19/11/1988 | Athletic Bilbao | - | Real Betis | 1:1 | ||||
12. Round | 25/11/1988 | Real Madrid | - | Athletic Bilbao | 3:3 | ||||
13. Round | 29/11/1988 | Athletic Bilbao | - | Real Zaragoza | 1:1 | ||||
14. Round | 03/12/1988 | Real Valladolid | - | Athletic Bilbao | 1:0 | ||||
15. Round | 09/12/1988 | Athletic Bilbao | - | FC Barcelona | 3:2 | ||||
16. Round | 31/12/1988 | Athletic Bilbao | - | RC Celta | 2:0 | ||||
17. Round | 07/01/1989 | CD Logroñés | - | Athletic Bilbao | 1:1 | ||||
18. Round | 10/01/1989 | Real Murcia | - | Athletic Bilbao | 1:1 | ||||
19. Round | 14/01/1989 | Athletic Bilbao | - | Real Oviedo | 1:0 | ||||
20. Round | 28/01/1989 | Sevilla FC | - | Athletic Bilbao | 0:0 |