| 20 Dec 1998 |
Villarreal CF
|
0–1
|
Athletic Bilbao
|
A
|
ESP · La Liga
|
| 13 Dec 1998 |
Athletic Bilbao
|
2–1
|
Deportivo La Coruña
|
H
|
ESP · La Liga
|
| 09 Dec 1998 |
Athletic Bilbao
|
1–0
|
Galatasaray SK
|
H
|
ITL · UEFA Champions League
Group stage
|
| 05 Dec 1998 |
Atlético Madrid
|
0–0
|
Athletic Bilbao
|
D
|
ESP · La Liga
|
| 29 Nov 1998 |
Athletic Bilbao
|
1–0
|
RCD Mallorca
|
H
|
ESP · La Liga
|
| 25 Nov 1998 |
Rosenborg BK
|
2–1
|
Athletic Bilbao
|
H
|
ITL · UEFA Champions League
Group stage
|
| 20 Nov 1998 |
CD Tenerife
|
0–1
|
Athletic Bilbao
|
A
|
ESP · La Liga
|
| 15 Nov 1998 |
Athletic Bilbao
|
3–5
|
Real Oviedo
|
A
|
ESP · La Liga
|
| 08 Nov 1998 |
Real Sociedad
|
3–1
|
Athletic Bilbao
|
H
|
ESP · La Liga
|
| 04 Nov 1998 |
Juventus
|
1–1
|
Athletic Bilbao
|
D
|
ITL · UEFA Champions League
Group stage
|
| 31 Oct 1998 |
Athletic Bilbao
|
2–2
|
RCD Espanyol
|
D
|
ESP · La Liga
|
| 25 Oct 1998 |
UD Salamanca
|
2–1
|
Athletic Bilbao
|
H
|
ESP · La Liga
|
| 21 Oct 1998 |
Athletic Bilbao
|
0–0
|
Juventus
|
D
|
ITL · UEFA Champions League
Group stage
|
| 17 Oct 1998 |
Athletic Bilbao
|
2–0
|
Valencia CF
|
H
|
ESP · La Liga
|
| 04 Oct 1998 |
Celta Vigo
|
3–2
|
Athletic Bilbao
|
H
|
ESP · La Liga
|
| 30 Sep 1998 |
Galatasaray SK
|
2–1
|
Athletic Bilbao
|
H
|
ITL · UEFA Champions League
Group stage
|
| 26 Sep 1998 |
Athletic Bilbao
|
2–3
|
Real Madrid
|
A
|
ESP · La Liga
|
| 20 Sep 1998 |
CF Extremadura
|
0–1
|
Athletic Bilbao
|
A
|
ESP · La Liga
|
| 16 Sep 1998 |
Athletic Bilbao
|
1–1
|
Rosenborg BK
|
D
|
ITL · UEFA Champions League
Group stage
|
| 12 Sep 1998 |
Athletic Bilbao
|
2–0
|
Racing de Santander
|
H
|
ESP · La Liga
|
| 30 Aug 1998 |
Real Zaragoza
|
2–0
|
Athletic Bilbao
|
H
|
ESP · La Liga
|
| 26 Aug 1998 |
Athletic Bilbao
|
1–0
|
Dinamo Tbilisi
|
H
|
ITL · UEFA Champions League
Qualifying · Leg 2
|
| 12 Aug 1998 |
Dinamo Tbilisi
|
2–1
|
Athletic Bilbao
|
H
|
ITL · UEFA Champions League
Qualifying · Leg 1
|
| 15 May 1998 |
Athletic Bilbao
|
1–0
|
Real Zaragoza
|
H
|
ESP · La Liga
|
| 10 May 1998 |
Mérida AD
|
0–0
|
Athletic Bilbao
|
D
|
ESP · La Liga
|
| 03 May 1998 |
Athletic Bilbao
|
3–0
|
Real Oviedo
|
H
|
ESP · La Liga
|
| 26 Apr 1998 |
Celta Vigo
|
1–1
|
Athletic Bilbao
|
D
|
ESP · La Liga
|
| 19 Apr 1998 |
Athletic Bilbao
|
2–0
|
SD Compostela
|
H
|
ESP · La Liga
|
| 12 Apr 1998 |
Athletic Bilbao
|
2–0
|
Real Valladolid
|
H
|
ESP · La Liga
|
| 04 Apr 1998 |
Real Madrid
|
0–0
|
Athletic Bilbao
|
D
|
ESP · La Liga
|
| 29 Mar 1998 |
Athletic Bilbao
|
4–3
|
Racing de Santander
|
H
|
ESP · La Liga
|
| 22 Mar 1998 |
Barcelona
|
4–0
|
Athletic Bilbao
|
H
|
ESP · La Liga
|
| 16 Mar 1998 |
Athletic Bilbao
|
3–1
|
RCD Mallorca
|
H
|
ESP · La Liga
|
| 08 Mar 1998 |
CD Tenerife
|
0–2
|
Athletic Bilbao
|
A
|
ESP · La Liga
|
| 01 Mar 1998 |
Athletic Bilbao
|
2–2
|
Sporting de Gijón
|
D
|
ESP · La Liga
|
| 22 Feb 1998 |
Deportivo La Coruña
|
3–0
|
Athletic Bilbao
|
H
|
ESP · La Liga
|
| 15 Feb 1998 |
Athletic Bilbao
|
0–3
|
Valencia CF
|
A
|
ESP · La Liga
|
| 08 Feb 1998 |
Real Sociedad
|
1–1
|
Athletic Bilbao
|
D
|
ESP · La Liga
|
| 31 Jan 1998 |
Athletic Bilbao
|
1–0
|
UD Salamanca
|
H
|
ESP · La Liga
|
| 24 Jan 1998 |
Atlético Madrid
|
3–0
|
Athletic Bilbao
|
H
|
ESP · La Liga
|
