1. Round | 29/08/1998 | Real Zaragoza | - | Athletic Bilbao | 2:0 | ||||
2. Round | 11/09/1998 | Athletic Bilbao | - | Racing Santander | 2:0 | ||||
3. Round | 19/09/1998 | CF Extremadura | - | Athletic Bilbao | 0:1 | ||||
5. Round | 03/10/1998 | RC Celta | - | Athletic Bilbao | 3:2 | ||||
33. Round | 08/05/1999 | Deportivo La Coruña | - | Athletic Bilbao | 1:1 | ||||
34. Round | 15/05/1999 | Athletic Bilbao | - | Villarreal CF | 2:0 | ||||
35. Round | 22/05/1999 | Real Valladolid | - | Athletic Bilbao | 0:3 | ||||
36. Round | 28/05/1999 | Athletic Bilbao | - | FC Barcelona | 1:3 | ||||
37. Round | 12/06/1999 | Athletic Bilbao | - | CD Alavés | 5:0 | ||||
38. Round | 19/06/1999 | Real Betis | - | Athletic Bilbao | 1:4 |