StadiumStadion Sion II
| Current capacity of the stadium |
| Standing | 40 800 |
| Seats | 25 500 |
| Tribune | 15 300 |
| Seats for sponsors | 500 |
| Fans attended |
| 26. 5. 2025 | Sion II-Uznach | 8 862 |
| 25. 4. 2025 | Sion II-1.FK Soči™ | 4 419 |
| 13. 4. 2025 | Sion II-Iskra Horné Orešany | 3 877 |
| 13. 4. 2025 | Sion II-BORUTA Zgierz | 3 846 |
| 13. 4. 2025 | Sion II-Karlsruhe | 3 883 |
| 13. 4. 2025 | Sion II-Kakucs A | 3 893 |
| 11. 4. 2025 | Sion II-USP Petržalka | 3 524 |
| 9. 4. 2025 | Sion II-AEK Athens | 3 651 |
| 9. 4. 2025 | Sion II-Běchary | 3 617 |