StadiumStadion Koshi
| Current capacity of the stadium |
| Standing | 19 900 |
| Seats | 12 400 |
| Tribune | 7 500 |
| Seats for sponsors | 200 |
| Fans attended |
| 18. 12. 2025 | Koshi-SAIJO AKITA | 19 898 |
| 15. 12. 2025 | Koshi- Kashihara | 18 310 |
| 11. 12. 2025 | Koshi-Horasan | 4 488 |
| 10. 12. 2025 | Koshi- Tadotsu | 5 153 |
| 6. 12. 2025 | Koshi-Matsuyama | 4 644 |
| 1. 12. 2025 | Koshi- Yasugi | 4 546 |
| 27. 11. 2025 | Koshi- Kanie | 4 565 |