2018 Moselle Open

The 2018 Moselle Open was a men's tennis tournament held in Metz, France and played on indoor hard courts. It was the 16th edition of the Moselle Open, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It was held at the Arènes de Metz from 17 September to 23 September 2018. Unseeded Gilles Simon won the singles title.

Seeds

 * 1 Rankings are as of September 10, 2018.

Other entrants
The following players received wild cards into the singles main draw:
 * 🇫🇷 Quentin Halys
 * 🇫🇷 Ugo Humbert
 * 🇫🇷 Corentin Moutet

The following players received entry from the singles qualifying draw:
 * 🇩🇪 Matthias Bachinger
 * 🇫🇷 Constant Lestienne
 * 🇫🇷 Kenny de Schepper
 * 🇦🇺 Bernard Tomic

The following player received entry as a lucky loser:
 * 🇫🇷 Grégoire Barrère
 * 🇩🇪 Yannick Maden

Withdrawals

 * Before the tournament
 * 🇷🇴 Marius Copil → replaced by 🇪🇪 Jürgen Zopp
 * 🇩🇪 Philipp Kohlschreiber → replaced by 🇩🇪 Yannick Maden
 * 🇫🇷 Lucas Pouille → replaced by 🇫🇷 Grégoire Barrère

Seeds

 * Rankings are as of September 10, 2018

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇫🇷 Jo-Wilfried Tsonga / 🇫🇷 Ugo Humbert
 * 🇫🇷 Lucas Pouille / 🇫🇷 Grégoire Barrère

The following pair received entry as alternates:
 * Sander Arends / Romain Arneodo

Withdrawals

 * Before the tournament
 * 🇩🇪 Mischa Zverev

Singles

 * 🇫🇷 Gilles Simon def. 🇩🇪 Matthias Bachinger, 7–6(7–2), 6–1.

Doubles

 * 🇫🇷 Nicolas Mahut / 🇫🇷 Édouard Roger-Vasselin def. 🇬🇧 Ken Skupski / 🇬🇧 Neal Skupski 6–1, 7–5.