| 1 | Sun 27 Sep 2020 | 322-1 v EibarEibar 1-2 Athletic Bilbao | Spanish La Liga |
| 2 | Thu 1 Oct 2020 | 320-1 v CádizAthletic Bilbao 0-1 Cádiz | Spanish La Liga |
| 3 | Sun 4 Oct 2020 | 320-1 v AlavésAlavés 1-0 Athletic Bilbao | Spanish La Liga |
| 4 | Sun 18 Oct 2020 | 22-0 v LevanteAthletic Bilbao 2-0 Levante | Spanish La Liga |
| 5 | Sat 24 Oct 2020 | 20-1 v OsasunaOsasuna 1-0 Athletic Bilbao | Spanish La Liga |
| 6 | Sat 31 Oct 2020 | 22-1 v SevillaAthletic Bilbao 2-1 Sevilla | Spanish La Liga |
| 7 | Sun 8 Nov 2020 | 21-2 v Real ValladolidReal Valladolid 2-1 Athletic Bilbao | Spanish La Liga |
| 8 | Mon 23 Nov 2020 | 24-0 v Real BetisAthletic Bilbao 4-0 Real Betis | Spanish La Liga |
| 9 | Sun 29 Nov 2020 | 2 1-1 v GetafeGetafe 1-1 Athletic Bilbao | Spanish La Liga |
| 10 | Fri 4 Dec 2020 | 20-2 v Celta VigoAthletic Bilbao 0-2 Celta Vigo | Spanish La Liga |
| 11 | Fri 18 Dec 2020 | 22-0 v HuescaAthletic Bilbao 2-0 Huesca | Spanish La Liga |
| 12 | Tue 22 Dec 2020 | 21-1 v VillarrealVillarreal 1-1 Athletic Bilbao | Spanish La Liga |
| 13 | Thu 31 Dec 2020 | 20-1 v Real SociedadAthletic Bilbao 0-1 Real Sociedad | Spanish La Liga |
| 14 | Wed 6 Jan 2021 | 22-3 v BarcelonaAthletic Bilbao 2-3 Barcelona | Spanish La Liga |
| 15 | Sun 7 Feb 2021 | 21-1 v ValenciaAthletic Bilbao 1-1 Valencia | Spanish La Liga |
| 16 | Mon 15 Feb 2021 | 24-0 v CádizCádiz 0-4 Athletic Bilbao | Spanish La Liga |
| 17 | Fri 26 Feb 2021 | 2 1-1 v LevanteLevante 1-1 Athletic Bilbao | Spanish La Liga |
| 18 | Sun 7 Mar 2021 | 22-1 v GranadaAthletic Bilbao 2-1 Granada | Spanish La Liga |
| 19 | Wed 10 Mar 2021 | 21-2 v Atlético MadridAtlético Madrid 2-1 Athletic Bilbao | Spanish La Liga |
| 20 | Sun 14 Mar 2021 | 20-0 v Celta VigoCelta Vigo 0-0 Athletic Bilbao | Spanish La Liga |
| 21 | Sat 20 Mar 2021 | 21-1 v EibarAthletic Bilbao 1-1 Eibar | Spanish La Liga |
| 22 | Sat 10 Apr 2021 | 20-0 v AlavésAthletic Bilbao 0-0 Alavés | Spanish La Liga |
| 23 | Wed 21 Apr 2021 | 20-0 v Real BetisReal Betis 0-0 Athletic Bilbao | Spanish La Liga |
| 24 | Sun 25 Apr 2021 | 22-1 v Atlético MadridAthletic Bilbao 2-1 Atlético Madrid | Spanish La Liga |
| 25 | Wed 28 Apr 2021 | 22-2 v Real ValladolidAthletic Bilbao 2-2 Real Valladolid | Spanish La Liga |
| 26 | Mon 3 May 2021 | 21-0 v SevillaSevilla 0-1 Athletic Bilbao | Spanish La Liga |
| 27 | Sat 8 May 2021 | 22-2 v OsasunaAthletic Bilbao 2-2 Osasuna | Spanish La Liga |
| 28 | Wed 12 May 2021 | 20-1 v HuescaHuesca 1-0 Athletic Bilbao | Spanish La Liga |
| 29 | Sun 16 May 2021 | 20-1 v Real MadridAthletic Bilbao 0-1 Real Madrid | Spanish La Liga |
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