StadiumStadion Ayabaca
| Current capacity of the stadium |
| Standing | 18 500 |
| Seats | 11 500 |
| Tribune | 6 900 |
| Seats for sponsors | 200 |
| Fans attended |
| 12. 7. 2025 | Oyonnax-Bastia | 10 904 |
| 7. 7. 2025 | Oyonnax-Anjou | 9 258 |
| 3. 7. 2025 | Oyonnax-Nîmes | 7 539 |
| 28. 6. 2025 | Oyonnax-Meillant | 8 125 |
| 23. 6. 2025 | Oyonnax-Lille | 7 523 |
| 19. 6. 2025 | Oyonnax-Assier | 14 397 |
| 14. 6. 2025 | Oyonnax-Agia marina | 12 898 |
| 9. 6. 2025 | Oyonnax-FK Safi Kouvola | 9 250 |
| 8. 6. 2025 | Oyonnax-Lille OSC™ | 10 802 |