| 1998-12-20 | VillarealvAth BilbaoLa Liga · Spain | 0–1 | La Liga · Spain |
| 1998-12-13 | Ath BilbaovLa CorunaLa Liga · Spain | 2–1 | La Liga · Spain |
| 1998-12-05 | Ath MadridvAth BilbaoLa Liga · Spain | 0–0 | La Liga · Spain |
| 1998-11-29 | Ath BilbaovMallorcaLa Liga · Spain | 1–0 | La Liga · Spain |
| 1998-11-20 | TenerifevAth BilbaoLa Liga · Spain | 0–1 | La Liga · Spain |
| 1998-11-15 | Ath BilbaovOviedoLa Liga · Spain | 3–5 | La Liga · Spain |
| 1998-11-08 | SociedadvAth BilbaoLa Liga · Spain | 3–1 | La Liga · Spain |
| 1998-10-31 | Ath BilbaovEspanolLa Liga · Spain | 2–2 | La Liga · Spain |
| 1998-10-25 | SalamancavAth BilbaoLa Liga · Spain | 2–1 | La Liga · Spain |
| 1998-10-17 | Ath BilbaovValenciaLa Liga · Spain | 2–0 | La Liga · Spain |
| 1998-10-04 | CeltavAth BilbaoLa Liga · Spain | 3–2 | La Liga · Spain |
| 1998-09-26 | Ath BilbaovReal MadridLa Liga · Spain | 2–3 | La Liga · Spain |
| 1998-09-20 | ExtremaduravAth BilbaoLa Liga · Spain | 0–1 | La Liga · Spain |
| 1998-09-12 | Ath BilbaovSantanderLa Liga · Spain | 2–0 | La Liga · Spain |
| 1998-08-30 | ZaragozavAth BilbaoLa Liga · Spain | 2–0 | La Liga · Spain |
| 1998-05-15 | Ath BilbaovZaragozaLa Liga · Spain | 1–0 | La Liga · Spain |
| 1998-05-10 | MeridavAth BilbaoLa Liga · Spain | 0–0 | La Liga · Spain |
| 1998-05-03 | Ath BilbaovOviedoLa Liga · Spain | 3–0 | La Liga · Spain |
| 1998-04-26 | CeltavAth BilbaoLa Liga · Spain | 1–1 | La Liga · Spain |
| 1998-04-19 | Ath BilbaovCompostelaLa Liga · Spain | 2–0 | La Liga · Spain |
| 1998-04-12 | Ath BilbaovValladolidLa Liga · Spain | 2–0 | La Liga · Spain |
| 1998-04-04 | Real MadridvAth BilbaoLa Liga · Spain | 0–0 | La Liga · Spain |
| 1998-03-29 | Ath BilbaovSantanderLa Liga · Spain | 4–3 | La Liga · Spain |
| 1998-03-22 | BarcelonavAth BilbaoLa Liga · Spain | 4–0 | La Liga · Spain |
| 1998-03-16 | Ath BilbaovMallorcaLa Liga · Spain | 3–1 | La Liga · Spain |
| 1998-03-08 | TenerifevAth BilbaoLa Liga · Spain | 0–2 | La Liga · Spain |
| 1998-03-01 | Ath BilbaovSp GijonLa Liga · Spain | 2–2 | La Liga · Spain |
| 1998-02-22 | La CorunavAth BilbaoLa Liga · Spain | 3–0 | La Liga · Spain |
| 1998-02-15 | Ath BilbaovValenciaLa Liga · Spain | 0–3 | La Liga · Spain |
| 1998-02-08 | SociedadvAth BilbaoLa Liga · Spain | 1–1 | La Liga · Spain |
| 1998-01-31 | Ath BilbaovSalamancaLa Liga · Spain | 1–0 | La Liga · Spain |
| 1998-01-24 | Ath MadridvAth BilbaoLa Liga · Spain | 3–0 | La Liga · Spain |
| 1998-01-18 | Ath BilbaovBetisLa Liga · Spain | 0–0 | La Liga · Spain |
| 1998-01-11 | EspanolvAth BilbaoLa Liga · Spain | 0–1 | La Liga · Spain |
| 1998-01-04 | ZaragozavAth BilbaoLa Liga · Spain | 1–1 | La Liga · Spain |