StadiumTwinzz Arena
| Current capacity of the stadium |
| Standing | 49 500 |
| Seats | 33 900 |
| Tribune | 23 600 |
| Seats for sponsors | 8 500 |
| Fans attended |
| 10. 1. 2026 | FC Blackhawks Marl-Frohburg | 21 966 |
| 9. 1. 2026 | FC Blackhawks Marl-Apollon Limassol | 36 666 |
| 9. 1. 2026 | FC Blackhawks Marl-Kętrzyn | 32 506 |
| 9. 1. 2026 | FC Blackhawks Marl-FC Erfurt | 31 402 |
| 9. 1. 2026 | FC Blackhawks Marl-FC Utrecht | 35 160 |
| 9. 1. 2026 | FC Blackhawks Marl-TSV 1860 München A | 35 634 |
| 8. 1. 2026 | FC Blackhawks Marl-Burg | 24 000 |
| 6. 1. 2026 | FC Blackhawks Marl-St Gotthard | 30 135 |
| 6. 1. 2026 | FC Blackhawks Marl-Ameliano | 29 865 |