| 1 | Thu 24 Aug | 111-2 v Club BruggeOsasuna 1-2 Club Brugge | UEFA Europa Conference League Play-off |
| 2 | Sun 27 Aug | 11 2-1 v ValenciaValencia 1-2 Osasuna | Spanish La Liga |
| 3 | Thu 31 Aug | 112-2 v Club BruggeClub Brugge 2-2 Osasuna | UEFA Europa Conference League Play-off |
| 4 | Sun 3 Sep | 111-2 v BarcelonaOsasuna 1-2 Barcelona | Spanish La Liga |
| 5 | Sun 17 Sep | 112-3 v GetafeGetafe 3-2 Osasuna | Spanish La Liga |
| 6 | Sat 23 Sep | 110-0 v SevillaOsasuna 0-0 Sevilla | Spanish La Liga |
| 7 | Thu 28 Sep | 110-2 v Atlético MadridOsasuna 0-2 Atlético Madrid | Spanish La Liga |
| 8 | Sat 7 Oct | 11 0-4 v Real MadridReal Madrid 4-0 Osasuna | Spanish La Liga |
| 9 | Fri 20 Oct | 112-0 v GranadaOsasuna 2-0 Granada | Spanish La Liga |
| 10 | Sun 29 Oct | 111-2 v Real BetisReal Betis 2-1 Osasuna | Spanish La Liga |
| 11 | Sat 4 Nov | 112-4 v GironaOsasuna 2-4 Girona | Spanish La Liga |
| 12 | Sat 11 Nov | 111-1 v Las PalmasOsasuna 1-1 Las Palmas | Spanish La Liga |
| 13 | Thu 21 Dec | 112-3 v MallorcaMallorca 3-2 Osasuna | Spanish La Liga |
| 14 | Wed 31 Jan | 110-1 v BarcelonaBarcelona 1-0 Osasuna | Spanish La Liga |
| 15 | Sun 4 Feb | 11 0-3 v Celta VigoOsasuna 0-3 Celta Vigo | Spanish La Liga |
| 16 | Sat 17 Feb | 112-0 v CádizOsasuna 2-0 Cádiz | Spanish La Liga |
| 17 | Sun 25 Feb | 111-1 v Las PalmasLas Palmas 1-1 Osasuna | Spanish La Liga |
| 18 | Mon 4 Mar | 111-0 v AlavésOsasuna 1-0 Alavés | Spanish La Liga |
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