StadiumStadion NAGANO Stars™
| Current capacity of the stadium |
| Standing | 38 100 |
| Seats | 23 800 |
| Tribune | 14 300 |
| Seats for sponsors | 500 |
| Fans attended |
| 11. 4. 2026 | Kosai-CEREZO OSAKA | 11 408 |
| 6. 4. 2026 | Kosai- Higashiura | 13 959 |
| 2. 4. 2026 | Kosai-Sendai | 12 176 |
| 28. 3. 2026 | Kosai- Nyuzen | 21 044 |
| 25. 3. 2026 | Kosai-Osaka | 16 293 |
| 23. 3. 2026 | Kosai- Kurihashi | 21 015 |
| 22. 3. 2026 | Kosai- Yanagawa | 27 724 |
| 19. 3. 2026 | Kosai- Kasai | 9 523 |
| 18. 3. 2026 | Kosai- Yamatokoriyama | 12 740 |