| 1 | Sun 13 Aug | 142-0 v Celta VigoCelta Vigo 0-2 Osasuna | Spanish La Liga |
| 2 | Sat 19 Aug | 140-2 v Athletic BilbaoOsasuna 0-2 Athletic Bilbao | Spanish La Liga |
| 3 | Thu 24 Aug | 141-2 v Club BruggeOsasuna 1-2 Club Brugge | UEFA Europa Conference League Play-off |
| 4 | Thu 31 Aug | 142-2 v Club BruggeClub Brugge 2-2 Osasuna | UEFA Europa Conference League Play-off |
| 5 | Sun 3 Sep | 141-2 v BarcelonaOsasuna 1-2 Barcelona | Spanish La Liga |
| 6 | Sun 17 Sep | 142-3 v GetafeGetafe 3-2 Osasuna | Spanish La Liga |
| 7 | Sat 23 Sep | 140-0 v SevillaOsasuna 0-0 Sevilla | Spanish La Liga |
| 8 | Thu 28 Sep | 140-2 v Atlético MadridOsasuna 0-2 Atlético Madrid | Spanish La Liga |
| 9 | Sun 1 Oct | 142-0 v AlavésAlavés 0-2 Osasuna | Spanish La Liga |
| 10 | Sat 7 Oct | 140-4 v Real MadridReal Madrid 4-0 Osasuna | Spanish La Liga |
| 11 | Sun 29 Oct | 141-2 v Real BetisReal Betis 2-1 Osasuna | Spanish La Liga |
| 12 | Sat 4 Nov | 142-4 v GironaOsasuna 2-4 Girona | Spanish La Liga |
| 13 | Sun 26 Nov | 141-3 v VillarrealVillarreal 3-1 Osasuna | Spanish La Liga |
| 14 | Sat 2 Dec | 141-1 v Real SociedadOsasuna 1-1 Real Sociedad | Spanish La Liga |
| 15 | Sun 10 Dec | 141-1 v CádizCádiz 1-1 Osasuna | Spanish La Liga |
| 16 | Fri 15 Dec | 141-0 v Rayo VallecanoOsasuna 1-0 Rayo Vallecano | Spanish La Liga |
| 17 | Wed 31 Jan | 140-1 v BarcelonaBarcelona 1-0 Osasuna | Spanish La Liga |
| 18 | Sun 4 Feb | 140-3 v Celta VigoOsasuna 0-3 Celta Vigo | Spanish La Liga |
| 19 | Sat 10 Feb | 141-0 v Real SociedadReal Sociedad 0-1 Osasuna | Spanish La Liga |
| 20 | Sat 17 Feb | 142-0 v CádizOsasuna 2-0 Cádiz | Spanish La Liga |
| 21 | Sun 25 Feb | 141-1 v Las PalmasLas Palmas 1-1 Osasuna | Spanish La Liga |
| 22 | Mon 4 Mar | 141-0 v AlavésOsasuna 1-0 Alavés | Spanish La Liga |
| 23 | Sat 9 Mar | 140-2 v GironaGirona 2-0 Osasuna | Spanish La Liga |
| 24 | Sat 16 Mar | 142-4 v Real MadridOsasuna 2-4 Real Madrid | Spanish La Liga |
| 25 | Sat 30 Mar | 143-0 v AlmeríaAlmería 0-3 Osasuna | Spanish La Liga |
| 26 | Mon 15 Apr | 140-1 v ValenciaOsasuna 0-1 Valencia | Spanish La Liga |
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