| 1999-10-17 | OsasunavLleidaLa Liga 2 · Spain | 3–1 | La Liga 2 · Spain |
| 1999-10-12 | LogronesvOsasunaLa Liga 2 · Spain | 3–1 | La Liga 2 · Spain |
| 1999-10-09 | OsasunavLas PalmasLa Liga 2 · Spain | 1–0 | La Liga 2 · Spain |
| 1999-10-02 | CordobavOsasunaLa Liga 2 · Spain | 2–1 | La Liga 2 · Spain |
| 1999-09-26 | OsasunavCompostelaLa Liga 2 · Spain | 2–2 | La Liga 2 · Spain |
| 1999-09-19 | ExtremaduravOsasunaLa Liga 2 · Spain | 1–0 | La Liga 2 · Spain |
| 1999-09-12 | LeganesvOsasunaLa Liga 2 · Spain | 0–1 | La Liga 2 · Spain |
| 1999-09-04 | OsasunavAth Madrid BLa Liga 2 · Spain | 1–0 | La Liga 2 · Spain |
| 1999-08-29 | MeridavOsasunaLa Liga 2 · Spain | 2–0 | La Liga 2 · Spain |
| 1999-08-22 | OsasunavToledoLa Liga 2 · Spain | 3–0 | La Liga 2 · Spain |
| 1999-06-20 | Ath Madrid BvOsasunaLa Liga 2 · Spain | 4–0 | La Liga 2 · Spain |
| 1999-06-13 | OsasunavMallorca BLa Liga 2 · Spain | 3–2 | La Liga 2 · Spain |
| 1999-06-05 | Las PalmasvOsasunaLa Liga 2 · Spain | 1–0 | La Liga 2 · Spain |
| 1999-05-30 | OsasunavSp GijonLa Liga 2 · Spain | 0–4 | La Liga 2 · Spain |
| 1999-05-23 | EibarvOsasunaLa Liga 2 · Spain | 2–0 | La Liga 2 · Spain |
| 1999-05-16 | OsasunavToledoLa Liga 2 · Spain | 0–1 | La Liga 2 · Spain |
| 1999-05-09 | AlbacetevOsasunaLa Liga 2 · Spain | 2–0 | La Liga 2 · Spain |
| 1999-05-02 | OsasunavBarcelona BLa Liga 2 · Spain | 1–2 | La Liga 2 · Spain |
| 1999-04-25 | HerculesvOsasunaLa Liga 2 · Spain | 1–1 | La Liga 2 · Spain |
| 1999-04-18 | MalagavOsasunaLa Liga 2 · Spain | 3–0 | La Liga 2 · Spain |
| 1999-04-11 | OsasunavBadajozLa Liga 2 · Spain | 2–0 | La Liga 2 · Spain |
| 1999-04-04 | LeganesvOsasunaLa Liga 2 · Spain | 3–1 | La Liga 2 · Spain |
| 1999-03-28 | OsasunavMeridaLa Liga 2 · Spain | 0–0 | La Liga 2 · Spain |
| 1999-03-21 | RecreativovOsasunaLa Liga 2 · Spain | 0–0 | La Liga 2 · Spain |
| 1999-03-14 | OsasunavOurenseLa Liga 2 · Spain | 2–1 | La Liga 2 · Spain |
| 1999-03-07 | SevillavOsasunaLa Liga 2 · Spain | 4–0 | La Liga 2 · Spain |
| 1999-02-27 | OsasunavCompostelaLa Liga 2 · Spain | 2–1 | La Liga 2 · Spain |
| 1999-02-20 | NumanciavOsasunaLa Liga 2 · Spain | 3–0 | La Liga 2 · Spain |
| 1999-02-13 | OsasunavLleidaLa Liga 2 · Spain | 2–0 | La Liga 2 · Spain |
| 1999-02-07 | LogronesvOsasunaLa Liga 2 · Spain | 0–0 | La Liga 2 · Spain |
| 1999-01-31 | OsasunavVallecanoLa Liga 2 · Spain | 1–1 | La Liga 2 · Spain |
| 1999-01-24 | OsasunavAth Madrid BLa Liga 2 · Spain | 2–2 | La Liga 2 · Spain |
| 1999-01-17 | Mallorca BvOsasunaLa Liga 2 · Spain | 1–1 | La Liga 2 · Spain |
| 1999-01-10 | OsasunavLas PalmasLa Liga 2 · Spain | 4–0 | La Liga 2 · Spain |
| 1999-01-03 | Sp GijonvOsasunaLa Liga 2 · Spain | 1–1 | La Liga 2 · Spain |
| 1998-12-19 | OsasunavEibarLa Liga 2 · Spain | 3–0 | La Liga 2 · Spain |
| 1998-12-13 | ToledovOsasunaLa Liga 2 · Spain | 1–4 | La Liga 2 · Spain |
| 1998-12-06 | OsasunavAlbaceteLa Liga 2 · Spain | 1–0 | La Liga 2 · Spain |
| 1998-11-28 | Barcelona BvOsasunaLa Liga 2 · Spain | 4–0 | La Liga 2 · Spain |
| 1998-11-21 | OsasunavHerculesLa Liga 2 · Spain | 0–0 | La Liga 2 · Spain |
| 1998-11-15 | OsasunavMalagaLa Liga 2 · Spain | 1–0 | La Liga 2 · Spain |
| 1998-11-08 | BadajozvOsasunaLa Liga 2 · Spain | 0–1 | La Liga 2 · Spain |
| 1998-11-01 | OsasunavLeganesLa Liga 2 · Spain | 1–0 | La Liga 2 · Spain |
| 1998-10-25 | MeridavOsasunaLa Liga 2 · Spain | 1–0 | La Liga 2 · Spain |
| 1998-10-18 | OsasunavRecreativoLa Liga 2 · Spain | 0–0 | La Liga 2 · Spain |
| 1998-10-11 | OurensevOsasunaLa Liga 2 · Spain | 1–4 | La Liga 2 · Spain |
| 1998-10-04 | OsasunavSevillaLa Liga 2 · Spain | 2–1 | La Liga 2 · Spain |
| 1998-09-26 | CompostelavOsasunaLa Liga 2 · Spain | 0–2 | La Liga 2 · Spain |
| 1998-09-20 | OsasunavNumanciaLa Liga 2 · Spain | 0–1 | La Liga 2 · Spain |
| 1998-09-13 | LleidavOsasunaLa Liga 2 · Spain | 1–0 | La Liga 2 · Spain |