- Source: 2019 Cassis Open Provence
- Benjamin Bonzi
- 2019 Cassis Open Provence
- 2019 Cassis Open Provence – Singles
- 2019 Cassis Open Provence – Doubles
- 2021 Cassis Open Provence
- Cassis Open Provence
- 2021 Cassis Open Provence – Doubles
- 2021 Cassis Open Provence – Singles
- 2018 Cassis Open Provence
- 2018 Cassis Open Provence – Singles
- 2018 Cassis Open Provence – Doubles
The 2019 Cassis Open Provence was a professional tennis tournament played on hard courts. It was the 2nd edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Cassis, France between 2 and 8 September 2019.
Singles main-draw entrants
= Seeds
=1 Rankings are as of 26 August 2019.
= Other entrants
=The following players received wildcards into the singles main draw:
Vivien Cabos
Ilya Ivashka
Corentin Moutet
Rayane Roumane
Jo-Wilfried Tsonga
The following player received entry into the singles main draw using a protected ranking:
Maximilian Neuchrist
The following players received entry into the singles main draw as alternates:
Harri Heliövaara
Luca Margaroli
Jaume Pla Malfeito
Yoav Schab
Sem Verbeek
Champions
= Singles
=Jo-Wilfried Tsonga def. Dudi Sela 6–1, 6–0.
= Doubles
=André Göransson / Sem Verbeek def. Sander Arends / David Pel 7–6(8–6), 4–6, [11–9].