2017 L'Open Emeraude Solaire de Saint-Malo – Singles

Maryna Zanevska was the defending champion, but chose not to participate.

Polona Hercog won the title, defeating Diāna Marcinkēviča in the final, 6–3, 6–3.

Seeds
• # 🇷🇴 Mihaela Buzărnescu (quarterfinals)

• # 🇩🇪 Tamara Korpatsch (first round)

• # 🇧🇬 Viktoriya Tomova (first round)

• # 🇷🇴 Alexandra Cadanțu (semifinals; retired)

• # 🇷🇴 Irina Bara (second round)

• # Polona Hercog (champion)

• # 🇹🇷 Çağla Büyükakçay (quarterfinals)

• # 🇪🇸 Sílvia Soler Espinosa (first round)