StadiumStadion Willisau
| Current capacity of the stadium |
| Standing | 25 500 |
| Seats | 15 900 |
| Tribune | 9 600 |
| Seats for sponsors | 300 |
| Fans attended |
| 8. 6. 2026 | Willisau-La Chaux-de-Fonds | 8 979 |
| 7. 6. 2026 | Willisau-FC Basel 1893 | 16 010 |
| 4. 6. 2026 | Willisau-Lancy | 9 799 |
| 3. 6. 2026 | Willisau-Entlebuch | 15 409 |