StadiumStadion 1. FSV Mainz 05
| Current capacity of the stadium |
| Standing | 41 900 |
| Seats | 26 200 |
| Tribune | 15 700 |
| Seats for sponsors | 500 |
| Fans attended |
| 5. 10. 2026 | 1. FSV Mainz 05-Naumburg | 32 253 |
| 4. 10. 2026 | 1. FSV Mainz 05-Cottbus | 30 706 |
| 1. 10. 2026 | 1. FSV Mainz 05-Bredstedt | 31 917 |
| 27. 9. 2026 | 1. FSV Mainz 05-FC Chemlon Humenné | 35 238 |
| 26. 9. 2026 | 1. FSV Mainz 05-1.FC Sparta Dortmund | 26 326 |
| 21. 9. 2026 | 1. FSV Mainz 05-Leverkusen A | 30 048 |
| 17. 9. 2026 | 1. FSV Mainz 05-KS Cisowa Dietzenbach | 4 468 |
| 12. 9. 2026 | 1. FSV Mainz 05-Ingolstadt | 4 420 |
| 10. 9. 2026 | 1. FSV Mainz 05-Hoffenheim | 4 566 |