2018 Cassis Open Provence – Singles

This was the first edition of the tournament.

Enzo Couacaud won the title after defeating Ugo Humbert 6–2, 6–3 in the final.

Seeds
• # 🇱🇹 Ričardas Berankis (first round)

• # 🇫🇷 Corentin Moutet (first round)

• # 🇪🇸 Adrián Menéndez Maceiras (semifinals)

• # 🇺🇦 Sergiy Stakhovsky (first round)

• # 🇫🇷 Ugo Humbert (final)

• # 🇦🇺 Bernard Tomic (first round)

• # 🇫🇷 Grégoire Barrère (first round)

• # 🇩🇪 Mats Moraing (second round, retired)