2018 Engie Open Saint-Gaudens Occitanie – Singles

Richèl Hogenkamp was the defending champion, but lost to Valentini Grammatikopoulou in the second round.

Vera Lapko won the title after defeating Quirine Lemoine 6–2, 6–4 in the final.

Seeds
• # 🇧🇾 Vera Lapko (champion)

• # Arantxa Rus (semifinals)

• # 🇫🇷 Océane Dodin (first round, retired)

• # Richèl Hogenkamp (second round)

• # 🇧🇬 Viktoriya Tomova (quarterfinals)

• # Patty Schnyder (second round)

• # 🇦🇺 Olivia Rogowska (first round)

• # 🇯🇵 Misaki Doi (first round)