StadiumFC Heidenheim
| Current capacity of the stadium |
| Standing | 33 900 |
| Seats | 29 900 |
| Tribune | 27 900 |
| Seats for sponsors | 23 900 |
| Fans attended |
| 21. 8. 2026 | FC Heidenheim-Arcen | 8 870 |
| 18. 8. 2026 | FC Heidenheim-Sao Paulo | 8 212 |
| 17. 8. 2026 | FC Heidenheim-FC BAYERN MÜNCHEN™ | 6 648 |
| 14. 8. 2026 | FC Heidenheim-St Nizier du Moucherotte | 7 855 |
| 13. 8. 2026 | FC Heidenheim-Borussia Dortmund | 5 686 |
| 8. 8. 2026 | FC Heidenheim-Werder | 7 468 |
| 7. 8. 2026 | FC Heidenheim-FC Ružomberok | 10 234 |
| 4. 8. 2026 | FC Heidenheim-FK BREZNO | 10 749 |
| 3. 8. 2026 | FC Heidenheim-Club Leverkusen™ | 9 119 |