| Singles | |
|---|---|
| 2018 Open Sud de France | |
| Champion |  Lucas Pouille |
| Runner-up | Richard Gasquet |
| Final score | 7–6(7–2), 6–4 |
| Draw | 28 (4 Q / 3 WC ) |
| Seeds | 8 |
Alexander Zverev was the defending champion, but chose not to participate this year.
Lucas Pouille won the title, defeating Richard Gasquet in the final, 7–6(7–2), 6–4.
The top four seeds receive a bye into the second round.
David Goffin (semifinals) Lucas Pouille (champion) Jo-Wilfried Tsonga (semifinals, retired)
Damir Džumhur (quarterfinals) Richard Gasquet (final)
Andrey Rublev (quarterfinals)
David Ferrer (first round)
Yūichi Sugita (first round)| Semifinals | Final | ||||||||||||
| 1 | David Goffin | 4 | 6 | 3 | |||||||||
| 5 | Richard Gasquet | 6 | 0 | 6 | |||||||||
| 5 | Richard Gasquet | 62 | 4 | ||||||||||
| 2/WC | Lucas Pouille | 77 | 6 | ||||||||||
| 3 | Jo-Wilfried Tsonga | 6 | 5r | ||||||||||
| 2/WC | Lucas Pouille | 1 | 5 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | D Goffin | 6 | 6 | ||||||||||||||||||||||||
| G Simon | 6 | 4 | 77 | G Simon | 4 | 2 | |||||||||||||||||||||
| Q |  Y Maden | 1 | 6 | 63 | 1 | D Goffin | 6 | 6 | |||||||||||||||||||
| PR |  R Berankis | 6 | 78 | K Khachanov | 4 | 4 | |||||||||||||||||||||
| WC | J Benneteau | 3 | 66 | PR | R Berankis | 2 | 611 | ||||||||||||||||||||
| K Khachanov | 65 | 6 | 6 | K Khachanov | 6 | 713 | |||||||||||||||||||||
| 7 | D Ferrer | 77 | 3 | 4 | 1 | D Goffin | 4 | 6 | 3 | ||||||||||||||||||
| 5 | R Gasquet | 6 | 0 | 6 | |||||||||||||||||||||||
| 4 | D Džumhur | 7 | 6 | ||||||||||||||||||||||||
| WC | C Hemery | 1 | 2 | R Bemelmans | 5 | 4 | |||||||||||||||||||||
| R Bemelmans | 6 | 6 | 4 | D Džumhur | 4 | 2 | |||||||||||||||||||||
| Q | K de Schepper | 64 | 77 | 4 | 5 | R Gasquet | 6 | 6 | |||||||||||||||||||
| P-H Herbert | 77 | 65 | 6 | P-H Herbert | 63 | 7 | 3 | ||||||||||||||||||||
| D Medvedev | 0 | 3 | 5 | R Gasquet | 77 | 5 | 6 | ||||||||||||||||||||
| 5 | R Gasquet | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | A Rublev | 6 | 6 | ||||||||||||||||||||||||
| G García López | 4 | 4 | 6 | A Rublev | 6 | 6 | |||||||||||||||||||||
| J Chardy | 4 | 7 | 7 | J Chardy | 2 | 1 | |||||||||||||||||||||
 S Tsitsipas | 6 | 5 | 5 | 6 | A Rublev | 4 | 61 | ||||||||||||||||||||
| D Brown | 77 | 5r | 3 | J-W Tsonga | 6 | 77 | |||||||||||||||||||||
| N Mahut | 62 | 2 | N Mahut | 63 | 77 | 64 | |||||||||||||||||||||
| 3 | J-W Tsonga | 77 | 63 | 77 | |||||||||||||||||||||||
| 3 | J-W Tsonga | 6 | 5r | ||||||||||||||||||||||||
| 8 | Y Sugita | 7 | 3 | 4 | 2/WC | L Pouille | 1 | 5 | |||||||||||||||||||
| PR |  J Millman | 5 | 6 | 6 | PR | J Millman | 4 | 64 | |||||||||||||||||||
| B Paire | 6 | 6 | B Paire | 6 | 77 | ||||||||||||||||||||||
| M Zverev | 4 | 4 | B Paire | 1 | 4 | ||||||||||||||||||||||
| Q | C Taberner | 77 | 77 | 2/WC | L Pouille | 6 | 6 | ||||||||||||||||||||
| Q |  N Gombos | 65 | 61 | Q | C Taberner | 1 | 2 | ||||||||||||||||||||
| 2/WC | L Pouille | 6 | 6 | ||||||||||||||||||||||||
Matteo Berrettini (first round) Norbert Gombos (qualified) Yannick Maden (qualified) Kenny de Schepper (qualified) Gleb Sakharov (first round) Ricardo Ojeda Lara (qualifying competition) Jaume Munar (qualifying competition) Carlos Taberner (qualified)| First round | Qualifying competition | ||||||||||||
| 1 | Matteo Berrettini | 3 | 6 | 3 | |||||||||
 Marco Trungelliti | 6 | 3 | 6 | ||||||||||
| Marco Trungelliti | 6 | 2 | 4 | ||||||||||
| 8 | Carlos Taberner | 4 | 6 | 6 | |||||||||
| Benjamin Bonzi | 2 | 4 | |||||||||||
| 8 | Carlos Taberner | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Norbert Gombos | 6 | 77 | ||||||||||
| WC | Tristan Lamasine | 4 | 65 | ||||||||||
| 2 | Norbert Gombos | 6 | 6 | ||||||||||
| 6 | Ricardo Ojeda Lara | 2 | 2 | ||||||||||
| Bernabé Zapata Miralles | 6 | 2 | 4 | ||||||||||
| 6 | Ricardo Ojeda Lara | 4 | 6 | 6 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Yannick Maden | 6 | 6 | ||||||||||
| WC | Elliot Benchetrit | 2 | 0 | ||||||||||
| 3 | Yannick Maden | 5 | 77 | 6 | |||||||||
| Vincent Millot | 7 | 63 | 1 | ||||||||||
| Vincent Millot | 6 | 77 | |||||||||||
| 5 | Gleb Sakharov | 3 | 65 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Kenny de Schepper | 77 | 4 | 78 | |||||||||
| Matteo Donati | 64 | 6 | 66 | ||||||||||
| 4 | Kenny de Schepper | 6 | 6 | ||||||||||
| 7 | Jaume Munar | 1 | 4 | ||||||||||
| Alt | Antoine Hoang | 78 | 3 | 2 | |||||||||
| 7 | Jaume Munar | 66 | 6 | 6 | |||||||||
Ernests Gulbis was the defending champion, but lost to Jérémy Chardy in the second round.
Defending champion Kei Nishikori successfully defended his title, defeating Pablo Andújar in the final, 6–4, 6–4, to win the singles title at the 2015 Barcelona Open.
David Goffin was the defending champion, but withdrew before the tournament began.
Richard Gasquet was the defending champion, but chose not to participate this year.
Andy Murray defeated the two-time defending champion Novak Djokovic in the final, 6–3, 6–3, to win the men's singles tennis title at the 2016 Italian Open.
Jo-Wilfried Tsonga was the defending champion, but withdrew with a left knee injury before the tournament began.
This was the first edition of the tournament.
Nick Kyrgios was the defending champion, but lost in the semifinals to Jo-Wilfried Tsonga.
This was the first edition of the tournament.
Feliciano López was the champion in 2014, when the men's event was last held, but withdrew before the tournament began.
Alexander Zverev defeated Roger Federer in the final, 6–3, 6–4, to win the men's singles title at the 2017 Canadian Open. Zverev saved 3 match points in his second-round match against Richard Gasquet.
Lucas Pouille was the defending champion, but lost in the second round to Marius Copil.
The 2018 Open Sud de France was a 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.
Jo-Wilfried Tsonga was the defending champion, but withdrew before the tournament began.
Andy Murray was the defending champion, but could not participate this year as he was recovering from hip surgery.
Juan Martín del Potro defeated the defending champion Roger Federer in the final, 6–4, 6–7(8–10), 7–6(7–2) to win the men's singles tennis title at the 2018 Indian Wells Masters. Del Potro saved three championship points en route to his first ATP Tour Masters 1000 title, having been a runner-up on three previous occasions.
Lucas Pouille was the defending champion, but lost in the second round to John Millman.
Peter Gojowczyk was the defending champion, but lost to Kei Nishikori in the second round.
Gilles Simon was the defending champion, but lost in the second round to Aljaž Bedene.
This was the first edition of the tournament.