2019 Engie Open Nantes Atlantique – Singles

Timea Bacsinszky was the defending champion, but chose not to participate.

Cristina Bucșa won the title, defeating Tamara Korpatsch in the final, 6–2, 6–7(11–13), 7–6(8–6).

Seeds
• # 🇩🇪 Tatjana Maria (quarterfinals, retired)

• # 🇷🇺 Varvara Gracheva (first round)

• # 🇪🇸 Aliona Bolsova (first round)

• # 🇷🇺 Vitalia Diatchenko (quarterfinals)

• # 🇩🇪 Tamara Korpatsch (final)

• # 🇷🇴 Ana Bogdan (semifinals)

• # 🇫🇷 Chloé Paquet (first round)

• # Ekaterine Gorgodze (second round)