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.
Singles main-draw entrants Seeds Country Player Rank1 SeedAlexandre Müller841Liam Broady1072Benjamin Bonzi1083Tomáš Macháč1214Giulio Zeppieri1365Antoine Escoffier1566Mattia Bellucci1827Federico Gaio2158 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
Champions 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].
References