StadiumStadion Ayabaca
| Current capacity of the stadium |
| Standing | 18 500 |
| Seats | 11 500 |
| Tribune | 6 900 |
| Seats for sponsors | 200 |
| Fans attended |
| 5. 10. 2026 | Oyonnax-Treguier | 4 232 |
| 28. 9. 2026 | Oyonnax-Noyers | 5 672 |
| 24. 9. 2026 | Oyonnax-Meymac | 5 638 |
| 19. 9. 2026 | Oyonnax-Lectoure | 4 667 |
| 14. 9. 2026 | Oyonnax-Morsang-sur-Orge | 6 036 |
| 10. 9. 2026 | Oyonnax-Les Andelys | 5 729 |
| 5. 9. 2026 | Oyonnax-FC Girondins de Bordeaux | 5 188 |