See main article: article and 2019 Engie Open de Biarritz.
Tamara Korpatsch was the defending champion for the 2019 Engie Open de Biarritz – Singles, but chose to participate in the 2019 Ladies Open Lausanne instead.[1]
Viktoriya Tomova won the title, defeating Danka Kovinić in the final, 6–2, 5–7, 7–5.
The tournament was held in Biarritz, France from 15 to 21 July 2019.