| 2021 Moselle Open | |
|---|---|
| Date | 20–26 September |
| Edition | 18th |
| Category | ATP Tour 250 series |
| Surface | Hard (indoor) |
| Location | Metz, France |
| Venue | Arènes de Metz |
| Champions | |
| Singles | |
 Hubert Hurkacz | |
| Doubles | |
| Hubert Hurkacz / Jan Zieliński | |
The 2021 Moselle Open was a tennis tournament played on indoor hard courts. It was the 18th edition of the Moselle Open, and part of the ATP Tour 250 series of the 2021 ATP Tour. It took place at the Arènes de Metz from 20 September to 26 September 2021.[1][2]
- ^ "Moselle Open Overview". atpworldtour.com.
- ^ "Moselle Open : 10 joueurs du Top 30 mondial au rendez-vous". lasemaine.fr.