2021 Grand Est Open 88

The 2021 Grand Est Open 88 was a professional women's tennis tournament played on outdoor clay courts. It was the fourteenth edition of the tournament which was part of the 2021 ITF Women's World Tennis Tour. It took place in Contrexéville, France between 5 and 11 July 2021.

Seeds

 * 1 Rankings are as of 28 June 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Loïs Boisson
 * 🇫🇷 Elsa Jacquemot
 * 🇫🇷 Marine Partaud
 * 🇫🇷 Lucie Wargnier

The following player received entry using a protected ranking:
 * 🇨🇳 Yuan Yue

The following players received entry from the qualifying draw:
 * Kamilla Bartone
 * 🇫🇷 Émeline Dartron
 * 🇵🇱 Weronika Falkowska
 * 🇫🇷 Léolia Jeanjean
 * 🇩🇪 Lena Papadakis
 * 🇫🇷 Margaux Rouvroy
 * 🇷🇺 Oksana Selekhmeteva
 * 🇺🇦 Valeriya Strakhova

Singles

 * 🇺🇦 Anhelina Kalinina def. 🇭🇺 Dalma Gálfi, 6–2, 6–2

Doubles

 * 🇰🇿 Anna Danilina / 🇳🇴 Ulrikke Eikeri def. 🇭🇺 Dalma Gálfi / 🇧🇪 Kimberley Zimmermann, 6–0, 1–6, [10–4]