2018 Open Sud de France

The 2018 Open Sud de France was a men's tennis tournament played on indoor hard courts. It was the 31st edition of the Open Sud de France, and part of the ATP World Tour 250 Series of the 2018 ATP World Tour. It took placed at the Arena Montpellier in Montpellier, France, from February 5 to February 11, 2018.

Seeds

 * 1 Rankings are as of January 29, 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Julien Benneteau
 * 🇫🇷 Calvin Hemery
 * 🇫🇷 Lucas Pouille

The following players received entry into the singles main draw using a protected ranking:
 * 🇱🇹 Ričardas Berankis
 * 🇦🇺 John Millman

The following players received entry from the qualifying draw:
 * 🇫🇷 Kenny de Schepper
 * 🇸🇰 Norbert Gombos
 * 🇩🇪 Yannick Maden
 * 🇪🇸 Carlos Taberner

Withdrawals

 * Before the tournament
 * 🇨🇿 Tomáš Berdych →replaced by 🇩🇪 Dustin Brown
 * 🇧🇪 Steve Darcis →replaced by 🇫🇷 Nicolas Mahut
 * 🇩🇪 Peter Gojowczyk →replaced by 🇧🇪 Ruben Bemelmans

Retirements

 * 🇩🇪 Dustin Brown
 * 🇫🇷 Jo-Wilfried Tsonga

Seeds

 * 1 Rankings as of January 29, 2018.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇫🇷 Benjamin Bonzi / 🇫🇷 Hugo Gaston
 * 🇫🇷 Calvin Hemery / 🇫🇷 Vincent Millot

Withdrawals

 * During the tournament
 * 🇩🇪 Dustin Brown / 🇫🇷 Benoît Paire

Singles

 * 🇫🇷 Lucas Pouille defeated 🇫🇷 Richard Gasquet, 7–6(7–2), 6–4

Doubles

 * 🇬🇧 Ken Skupski / 🇬🇧 Neal Skupski defeated 🇯🇵 Ben McLachlan / 🇫🇷 Hugo Nys, 7–6(7–2), 6–4