| 1 | Sun 13 Aug | 202-0 v Celta VigoCelta Vigo 0-2 Osasuna | Spanish La Liga |
| 2 | Sat 19 Aug | 200-2 v Athletic BilbaoOsasuna 0-2 Athletic Bilbao | Spanish La Liga |
| 3 | Thu 24 Aug | 201-2 v Club BruggeOsasuna 1-2 Club Brugge | UEFA Europa Conference League Play-off |
| 4 | Sun 27 Aug | 202-1 v ValenciaValencia 1-2 Osasuna | Spanish La Liga |
| 5 | Sun 3 Sep | 201-2 v BarcelonaOsasuna 1-2 Barcelona | Spanish La Liga |
| 6 | Sun 17 Sep | 202-3 v GetafeGetafe 3-2 Osasuna | Spanish La Liga |
| 7 | Sun 1 Oct | 202-0 v AlavésAlavés 0-2 Osasuna | Spanish La Liga |
| 8 | Sat 7 Oct | 200-4 v Real MadridReal Madrid 4-0 Osasuna | Spanish La Liga |
| 9 | Sat 11 Nov | 201-1 v Las PalmasOsasuna 1-1 Las Palmas | Spanish La Liga |
| 10 | Sun 26 Nov | 201-3 v VillarrealVillarreal 3-1 Osasuna | Spanish La Liga |
| 11 | Sun 10 Dec | 201-1 v CádizCádiz 1-1 Osasuna | Spanish La Liga |
| 12 | Fri 15 Dec | 20 1-0 v Rayo VallecanoOsasuna 1-0 Rayo Vallecano | Spanish La Liga |
| 13 | Thu 21 Dec | 202-3 v MallorcaMallorca 3-2 Osasuna | Spanish La Liga |
| 14 | Thu 4 Jan | 201-0 v AlmeríaOsasuna 1-0 Almería | Spanish La Liga |
| 15 | Sun 21 Jan | 203-2 v GetafeOsasuna 3-2 Getafe | Spanish La Liga |
| 16 | Sun 28 Jan | 201-1 v SevillaSevilla 1-1 Osasuna | Spanish La Liga |
| 17 | Wed 31 Jan | 200-1 v BarcelonaBarcelona 1-0 Osasuna | Spanish La Liga |
| 18 | Sun 4 Feb | 200-3 v Celta VigoOsasuna 0-3 Celta Vigo | Spanish La Liga |
| 19 | Sat 16 Mar | 202-4 v Real MadridOsasuna 2-4 Real Madrid | Spanish La Liga |
| 20 | Sat 30 Mar | 20 3-0 v AlmeríaAlmería 0-3 Osasuna | Spanish La Liga |
| 21 | Mon 15 Apr | 200-1 v ValenciaOsasuna 0-1 Valencia | Spanish La Liga |
| 22 | Sun 28 Apr | 200-3 v GranadaGranada 3-0 Osasuna | Spanish La Liga |
| 23 | Sun 5 May | 200-2 v Real BetisOsasuna 0-2 Real Betis | Spanish La Liga |
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