2019 Cassis Open Provence – Singles

Enzo Couacaud was the defending champion but chose not to defend his title.

Jo-Wilfried Tsonga won the title after defeating Dudi Sela 6–1, 6–0 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇫🇷 Jo-Wilfried Tsonga (champion)

• # 🇫🇷 Corentin Moutet (second round)

• # 🇹🇳 Malek Jaziri (second round, retired)

• # 🇫🇷 Antoine Hoang (second round)

• # 🇸🇪 Mikael Ymer (semifinals)

• # 🇩🇪 Yannick Maden (third round, withdrew)

• # 🇧🇾 Ilya Ivashka (second round)

• # 🇺🇦 Sergiy Stakhovsky (third round)

• # 🇨🇿 Lukáš Rosol (semifinals)

• # 🇫🇷 Quentin Halys (second round)

• # 🇮🇱 Dudi Sela (final)

• # 🇮🇳 Ramkumar Ramanathan (second round)

• # 🇬🇧 Jay Clarke (second round)

• # 🇫🇮 Emil Ruusuvuori (quarterfinals)

• # 🇰🇿 Aleksandr Nedovyesov (quarterfinals)

• # 🇫🇷 Gleb Sakharov (second round)