| N | Torneo | Jornada | Fecha | Local | Result. | Visita | Estadio | Arbitro | Público | Fuente | Obs |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | UEFA Champions League 1998/99 | Segunda Fase Clasificatoria - 1 | 12/08/1998 | Dinamo Tbilisi | 2 - 1 | Athletic Club | [33] | ||||
| 2 | UEFA Champions League 1998/99 | Segunda Fase Clasificatoria - 2 | 26/08/1998 | Athletic Club | 1 - 0 | Dinamo Tbilisi | [33] | [1]a | |||
| 3 | UEFA Champions League 1998/99 | Grupo B - 1 | 16/09/1998 | Athletic Club | 1 - 1 | Rosenborg BK | [33] | ||||
| 4 | UEFA Champions League 1998/99 | Grupo B - 2 | 30/09/1998 | Galatasaray | 2 - 1 | Athletic Club | [33] | ||||
| 5 | UEFA Champions League 1998/99 | Grupo B - 3 | 21/10/1998 | Athletic Club | 0 - 0 | Juventus (ITA) | [33] | ||||
| 6 | UEFA Champions League 1998/99 | Grupo B - 4 | 04/11/1998 | Juventus (ITA) | 1 - 1 | Athletic Club | [33] | ||||
| 7 | UEFA Champions League 1998/99 | Grupo B - 5 | 25/11/1998 | Rosenborg BK | 2 - 1 | Athletic Club | [33] | ||||
| 8 | UEFA Champions League 1998/99 | Grupo B - 6 | 09/12/1998 | Athletic Club | 1 - 0 | Galatasaray | [33] |
