2023 Cassis Open Provence

The 2023 Cassis Open Provence was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Cassis, France between 4 and 10 September 2023.

Seeds

 * 1 Rankings are as of 28 August 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Kenny de Schepper
 * 🇫🇷 Sascha Gueymard Wayenburg
 * 🇫🇷 Antoine Hoang

The following players received entry from the qualifying draw:
 * 🇲🇦 Elliot Benchetrit
 * 🇬🇧 Charles Broom
 * 🇬🇧 Daniel Cox
 * August Holmgren
 * 🇺🇸 Christian Langmo
 * 🇮🇳 Ramkumar Ramanathan

The following players received entry as lucky losers:
 * 🇬🇧 Aidan McHugh
 * Elmer Møller

Singles

 * 🇮🇹 Mattia Bellucci def. 🇨🇿 Tomáš Macháč 6–3, 6–4.

Doubles

 * 🇫🇷 Dan Added / 🇫🇷 Jonathan Eysseric def. 🇬🇧 Liam Broady / 🇫🇷 Antoine Hoang 6–0, 4–6, [11–9].