StadiumStadion Koshi
| Current capacity of the stadium |
| Standing | 19 900 |
| Seats | 12 400 |
| Tribune | 7 500 |
| Seats for sponsors | 200 |
| Fans attended |
| 21. 6. 2026 | Koshi- Joyo | 4 881 |
| 18. 6. 2026 | Koshi-Shizuoka Shimizu FC | 5 905 |
| 16. 6. 2026 | Koshi- Yamaga | 6 867 |
| 13. 6. 2026 | Koshi-Sapporo | 6 926 |
| 8. 6. 2026 | Koshi- Silesia Kioto C.F | 7 353 |
| 7. 6. 2026 | Koshi- Ryonan | 8 621 |
| 4. 6. 2026 | Koshi- Yoshida | 6 784 |
| 1. 6. 2026 | Koshi-Morioka | 7 442 |