| août 202517 août |  LaLiga | Athletic Club 3–2 SevillaRegular Season - 1 | V |
| 25 août | LaLiga | Athletic Club1–0 Rayo VallecanoRegular Season - 2 | V |
| 31 août | LaLiga | Real Betis 1–2Athletic ClubRegular Season - 3 | V |
| septembre 202513 sept. | LaLiga | Athletic Club0–1 AlavesRegular Season - 4 | D |
| 16 sept. |  Champions League | Athletic Club0–2 ArsenalLeague Stage - 1 | D |
| 20 sept. | LaLiga | Valencia 2–0Athletic ClubRegular Season - 5 | D |
| 23 sept. | LaLiga | Athletic Club1–1 GironaRegular Season - 6 | N |
| 27 sept. | LaLiga | Villarreal 1–0Athletic ClubRegular Season - 7 | D |
| octobre 202501 oct. | Champions League | Borussia Dortmund 4–1Athletic ClubLeague Stage - 2 | D |
| 04 oct. | LaLiga | Athletic Club2–1 MallorcaRegular Season - 8 | V |
| 19 oct. | LaLiga | Elche 0–0Athletic ClubRegular Season - 9 | N |
| 22 oct. | Champions League | Athletic Club3–1 QarabagLeague Stage - 3 | V |
| 25 oct. | LaLiga | Athletic Club0–1 GetafeRegular Season - 10 | D |
| novembre 202501 nov. | LaLiga | Real Sociedad 3–2Athletic ClubRegular Season - 11 | D |
| 05 nov. | Champions League | Newcastle 2–0Athletic ClubLeague Stage - 4 | D |
| 09 nov. | LaLiga | Athletic Club1–0 OviedoRegular Season - 12 | V |
| 22 nov. | LaLiga | Barcelona 4–0Athletic ClubRegular Season - 13 | D |
| 25 nov. | Champions League | Slavia Praha 0–0Athletic ClubLeague Stage - 5 | N |
| 29 nov. | LaLiga | Levante 0–2Athletic ClubRegular Season - 14 | V |
| décembre 202503 déc. | LaLiga | Athletic Club0–3 Real MadridRegular Season - 19 | D |
| 06 déc. | LaLiga | Athletic Club1–0 Atletico MadridRegular Season - 15 | V |
| 10 déc. | Champions League | Athletic Club0–0 Paris Saint GermainLeague Stage - 6 | N |
| 14 déc. | LaLiga | Celta Vigo 2–0Athletic ClubRegular Season - 16 | D |
| 18 déc. |  Copa del Rey | Ourense CF 0–1Athletic ClubRound of 32 | V |
| 22 déc. | LaLiga | Athletic Club1–2 EspanyolRegular Season - 17 | D |
| janvier 202603 janv. | LaLiga | Osasuna 1–1Athletic ClubRegular Season - 18 | N |
| 07 janv. |  Supercopa de España | Barcelona5–0Athletic ClubSemi-finals | D |
| 13 janv. | Copa del Rey | Cultural Leonesa 3–4Athletic ClubRound of 16 | V |
| 17 janv. | LaLiga | Mallorca3–2Athletic ClubRegular Season - 20 | D |
| 21 janv. | Champions League | Atalanta 2–3Athletic ClubLeague Stage - 7 | V |
| 24 janv. | LaLiga | Sevilla2–1Athletic ClubRegular Season - 21 | D |
| 28 janv. | Champions League | Athletic Club2–3 Sporting CPLeague Stage - 8 | D |
| février 202601 févr. | LaLiga | Athletic Club1–1Real SociedadRegular Season - 22 | N |
| 04 févr. | Copa del Rey | Valencia1–2Athletic ClubQuarter-finals | V |
| 08 févr. | LaLiga | Athletic Club4–2LevanteRegular Season - 23 | V |
| 11 févr. | Copa del Rey | Athletic Club0–1Real SociedadSemi-finals | D |
| 15 févr. | LaLiga | Oviedo1–2Athletic ClubRegular Season - 24 | V |
| 20 févr. | LaLiga | Athletic Club2–1ElcheRegular Season - 25 | V |
| 28 févr. | LaLiga | Rayo Vallecano1–1Athletic ClubRegular Season - 26 | N |
| mars 202604 mars | Copa del Rey | Real Sociedad1–0Athletic ClubSemi-finals | D |
| 07 mars | LaLiga | Athletic Club0–1BarcelonaRegular Season - 27 | D |
| 14 mars | LaLiga | Girona3–0Athletic ClubRegular Season - 28 | D |
| 22 mars | LaLiga | Athletic Club2–1Real BetisRegular Season - 29 | V |
| avril 202605 avr. | LaLiga | Getafe2–0Athletic ClubRegular Season - 30 | D |
| 12 avr. | LaLiga | Athletic Club1–2VillarrealRegular Season - 31 | D |
| 21 avr. | LaLiga | Athletic Club1–0OsasunaRegular Season - 33 | V |
| 25 avr. | LaLiga | Atletico Madrid3–2Athletic ClubRegular Season - 32 | D |
| mai 202602 mai | LaLiga | Alaves2–4Athletic ClubRegular Season - 34 | V |
| 10 mai | LaLiga | Athletic Club0–1ValenciaRegular Season - 35 | D |
| 13 mai | LaLiga | Espanyol2–0Athletic ClubRegular Season - 36 | D |
| 17 mai | LaLiga | Athletic Club1–1Celta VigoRegular Season - 37 | N |
| 23 mai | LaLiga | Real Madrid4–2Athletic ClubRegular Season - 38 | D |
