Moselle Open
The Moselle Open was a professional tennis tournament held in the city of Metz and played on indoor hardcourts. It was part of the ATP Tour 250 series of the ATP Tour from 2003 until 2025. The venue for the tournament was Les Arènes de Metz from 2014 to 2025 and was previously the Parc des Expositions de Metz Métropole.
The tournament did not feature in the non-finalized 2026 ATP calendar announced in 2025, after it was announced that Metz will no longer conduct an ATP tournament in 2026 and going forward.
In 2025, the tournament was one of the three French events of the ATP Tour 250 series, along with the Open Occitanie and the Open 13.