2019 Engie Open de Biarritz – Singles
| Singles | |
|---|---|
| 2019 Engie Open de Biarritz | |
| Champion | Viktoriya Tomova |
| Runner-up | Danka Kovinić |
| Score | 6–2, 5–7, 7–5 |
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.
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.