StadiumFC Heidenheim
| Current capacity of the stadium |
| Standing | 33 900 |
| Seats | 29 900 |
| Tribune | 27 900 |
| Seats for sponsors | 23 900 |
| Fans attended |
| 23. 5. 2026 | FC Heidenheim-Fc Bayern München B | 10 138 |
| 22. 5. 2026 | FC Heidenheim-Galacticos Svit | 14 827 |
| 22. 5. 2026 | FC Heidenheim-Imeni Kirsev | 14 394 |
| 22. 5. 2026 | FC Heidenheim- Macarani | 14 247 |
| 22. 5. 2026 | FC Heidenheim-FK HUMENNÉ | 13 677 |
| 19. 5. 2026 | FC Heidenheim-Herkules of Snina SV | 13 893 |
| 19. 5. 2026 | FC Heidenheim-TJ Pokrok Stará Bystrica | 14 521 |
| 18. 5. 2026 | FC Heidenheim-TSV 1860 München A | 8 963 |
| 15. 5. 2026 | FC Heidenheim-FC Erfurt | 11 920 |