2015 Engie Open de Biarritz

The 2015 Engie Open de Biarritz was a professional tennis tournament played on outdoor clay courts. It was the thirteenth edition of the tournament and part of the 2015 ITF Women's Circuit, offering a total of $100,000 in prize money. It took place in Biarritz, France, on 7–13 September 2015.

Seeds

 * 1 Rankings as of 31 August 2015

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Constance Sibille
 * 🇫🇷 Jade Suvrijn
 * 🇫🇷 Harmony Tan

The following players received entry from the qualifying draw:
 * 🇦🇷 Tatiana Búa
 * 🇹🇷 Başak Eraydın
 * Amra Sadiković
 * 🇪🇸 Cristina Sánchez Quintanar

The following players received entry by a lucky loser spot:
 * 🇪🇸 Olga Sáez Larra
 * 🇮🇹 Gaia Sanesi

Singles

 * 🇩🇪 Laura Siegemund def. Romina Oprandi, 7–5, 6–3

Doubles

 * 🇹🇷 Başak Eraydın / 🇧🇾 Lidziya Marozava def. 🇭🇺 Réka-Luca Jani / 🇱🇮 Stephanie Vogt, 6–4, 6–4