StadiumStadion Kosei
| Current capacity of the stadium |
| Standing | 14 500 |
| Seats | 9 100 |
| Tribune | 5 400 |
| Seats for sponsors | 200 |
| Fans attended |
| 6. 7. 2026 | Kosei- Sagamihara | 6 325 |
| 2. 7. 2026 | Kosei- Makabe | 7 215 |
| 27. 6. 2026 | Kosei-Izumisano | 6 458 |
| 22. 6. 2026 | Kosei-Kita | 7 499 |
| 18. 6. 2026 | Kosei- Shiroyama | 8 265 |
| 17. 6. 2026 | Kosei-Club Leverkusen™ | 10 834 |
| 15. 6. 2026 | Kosei-Okayama | 7 036 |
| 14. 6. 2026 | Kosei-Füzesgyarmat | 9 076 |
| 11. 6. 2026 | Kosei- Nagano | 7 249 |