StadiumStadion Mainz
| Current capacity of the stadium |
| Standing | 19 600 |
| Seats | 12 200 |
| Tribune | 7 300 |
| Seats for sponsors | 200 |
| Fans attended |
| 23. 5. 2026 | Mainz-FC Karlsruhe | 3 342 |
| 18. 5. 2026 | Mainz-Werneuchen | 3 343 |
| 14. 5. 2026 | Mainz-Kulmbach | 3 524 |
| 9. 5. 2026 | Mainz-Heilbronn | 3 355 |
| 4. 5. 2026 | Mainz-Fk Třeboutice | 3 344 |
| 30. 4. 2026 | Mainz-Olpe | 3 344 |
| 25. 4. 2026 | Mainz-Bad Tölz | 3 349 |
| 20. 4. 2026 | Mainz-Kiel | 3 347 |
| 18. 4. 2026 | Mainz-Mügeln | 3 348 |