2023 Engie Open Nantes Atlantique

The 2023 Engie Open Nantes Atlantique was a professional tennis tournament played on indoor hard courts. It was the nineteenth edition of the tournament which was part of the 2023 ITF Women's World Tennis Tour. It took place in Nantes, France between 30 October and 5 November 2023.

Singles

 * 🇫🇷 Océane Dodin def. 🇨🇿 Gabriela Knutson, 6–7(2–7), 6–3, 6–2

Doubles

 * 🇬🇧 Ali Collins / 🇬🇧 Yuriko Miyazaki def. 🇬🇧 Emily Appleton / Isabelle Haverlag, 7–6(7–4), 6–2

Seeds

 * 1 Rankings are as of 23 October 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Émeline Dartron
 * 🇫🇷 Amandine Hesse
 * 🇫🇷 Tiphanie Lemaître
 * 🇫🇷 Mallaurie Noël

The following player received entry as a junior exempt:
 * 🇧🇪 Sofia Costoulas

The following players received entry from the qualifying draw:
 * 🇬🇧 Emily Appleton
 * 🇫🇷 Nahia Berecoechea
 * 🇫🇷 Manon Léonard
 * 🇫🇷 Diana Martynov
 * 🇫🇷 Chloé Noël
 * 🇺🇦 Veronika Podrez
 * 🇦🇺 Tina Nadine Smith
 * Lian Tran

The following player received entry as a lucky loser:
 * 🇬🇧 Matilda Mutavdzic