2023 Open Sud de France

The 2023 Open Sud de France was a men's tennis tournament played on indoor hard courts. It was the 36th edition of the Open Sud de France, and part of the ATP Tour 250 series of the 2023 ATP Tour. It took place at the Arena Montpellier in Montpellier, France, from 6 February until 12 February 2023. Second-seeded Jannik Sinner won the singles title.

Singles

 * 🇮🇹 Jannik Sinner def. 🇺🇸 Maxime Cressy, 7–6(7–3), 6–3

Doubles

 * Robin Haase / Matwé Middelkoop def. 🇺🇸 Maxime Cressy / 🇫🇷 Albano Olivetti, 7–6(7–4), 4–6, [10–6]

Seeds

 * 1 Rankings are as of 30 January 2022.

Other entrants
The following players received wildcards into the singles main draw :
 * 🇫🇷 Arthur Fils
 * 🇫🇷 Ugo Humbert
 * 🇫🇷 Luca Van Assche

The following players received entry from the qualifying draw:
 * Antoine Bellier
 * 🇫🇷 Geoffrey Blancaneaux
 * 🇫🇷 Clément Chidekh
 * 🇮🇹 Luca Nardi

Withdrawals

 * 🇪🇸 Pablo Carreño Busta → replaced by 🇫🇷 Grégoire Barrère
 * 🇧🇬 Grigor Dimitrov → replaced by 🇸🇪 Mikael Ymer
 * Botic van de Zandschulp → replaced by Nikoloz Basilashvili

Seeds

 * 1 Rankings are as of 30 January 2022.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇺🇸 Maxime Cressy / 🇫🇷 Albano Olivetti
 * 🇫🇷 Arthur Fils / 🇫🇷 Luca Van Assche

The following pair received entry as alternates:
 * 🇫🇷 Théo Arribagé / 🇫🇷 Luca Sanchez

Withdrawals

 * 🇺🇸 Maxime Cressy / 🇫🇷 Albano Olivetti → replaced by 🇫🇮 Patrik Niklas-Salminen / 🇫🇮 Emil Ruusuvuori
 * 🇦🇺 Matthew Ebden / Hugo Nys → replaced by 🇮🇳 Sriram Balaji / 🇮🇳 Jeevan Nedunchezhiyan
 * 🇬🇧 Lloyd Glasspool / 🇫🇮 Harri Heliövaara → replaced by 🇫🇷 Manuel Guinard / 🇫🇷 Fabrice Martin
 * 🇫🇷 Pierre-Hugues Herbert / 🇫🇷 Nicolas Mahut → replaced by 🇫🇷 Théo Arribagé / 🇫🇷 Luca Sanchez
 * Raven Klaasen / 🇵🇰 Aisam-ul-Haq Qureshi → replaced by 🇩🇪 Fabian Fallert / 🇩🇪 Hendrik Jebens