StadiumFC Heidenheim
| Current capacity of the stadium |
| Standing | 33 900 |
| Seats | 29 900 |
| Tribune | 27 900 |
| Seats for sponsors | 23 900 |
| Fans attended |
| 5. 10. 2026 | FC Heidenheim-Kaltennordheim | 11 184 |
| 4. 10. 2026 | FC Heidenheim-Eintracht Frankfurt™ | 12 951 |
| 2. 10. 2026 | FC Heidenheim-Ciudad Hidalgo | 13 011 |
| 2. 10. 2026 | FC Heidenheim-ŠK Ftáčnik Kostolište | 15 205 |
| 2. 10. 2026 | FC Heidenheim-Sao Paulo | 15 965 |
| 1. 10. 2026 | FC Heidenheim-Hamm | 12 530 |
| 29. 9. 2026 | FC Heidenheim-TJ Pokrok Stará Bystrica | 15 003 |
| 29. 9. 2026 | FC Heidenheim-Sao Paulo | 18 624 |
| 29. 9. 2026 | FC Heidenheim-Ameliano | 16 013 |