| CA Osasuna vs. RCD Mallorca | 3-7-2026
Saturday
TBD | Estadio El Sadar in Pamplona, Spain | View Tickets |
| Real Sociedad vs. CA Osasuna | 3-15-2026
Sunday
TBD | Anoeta Stadium in Donostia-San Sebastian, Spain | View Tickets |
| CA Osasuna vs. Girona FC | 3-21-2026
Saturday
TBD | Estadio El Sadar in Pamplona, Spain | View Tickets |
| Deportivo Alaves vs. CA Osasuna | 4-5-2026
Sunday
TBD | Mendizorrotza Stadium in Armentia, Spain | View Tickets |
| CA Osasuna vs. Real Betis | 4-12-2026
Sunday
TBD | Estadio El Sadar in Pamplona, Spain | View Tickets |
| Athletic Club Bilbao vs. CA Osasuna | 4-22-2026
Wednesday
TBD | Estadio San Mames in Bilbao, Spain | View Tickets |
| CA Osasuna vs. Sevilla FC | 4-26-2026
Sunday
TBD | Estadio El Sadar in Pamplona, Spain | View Tickets |
| CA Osasuna vs. FC Barcelona | 5-3-2026
Sunday
TBD | Estadio El Sadar in Pamplona, Spain | View Tickets |
| Levante UD vs. CA Osasuna | 5-10-2026
Sunday
TBD | Estadi Ciutat de Valencia in Valencia, Spain | View Tickets |
| CA Osasuna vs. Atletico de Madrid | 5-13-2026
Wednesday
TBD | Estadio El Sadar in Pamplona, Spain | View Tickets |
| CA Osasuna vs. RCD Espanyol | 5-17-2026
Sunday
TBD | Estadio El Sadar in Pamplona, Spain | View Tickets |
| Getafe CF vs. CA Osasuna | 5-24-2026
Sunday
TBD | Estadio Coliseum Alfonso Perez in Getafe, Spain | View Tickets |
