| Date: | 14–20 September |
| Edition: | 20th |
| Category: | ITF Women's Circuit |
| Location: | Saint-Malo, France |
| Prize Money: | $50,000+H |
| Champs: |  Daria Kasatkina |
| Champd: |  Kristína Kučová / Anastasija Sevastova |
The 2015 L'Open Emeraude Solaire de Saint-Malo was a professional tennis tournament played on outdoor clay courts. It was the twentieth edition of the tournament and part of the 2015 ITF Women's Circuit, offering a total of $50,000+H in prize money. It took place in Saint-Malo, France, on 14–20 September 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Brazil | Teliana Pereira | 54 | 1 | |
 Estonia | Kaia Kanepi | 89 | 2 | |
 Spain | Lourdes Domínguez Lino | 105 | 3 | |
| Richèl Hogenkamp | 122 | 4 | ||
| Laura Siegemund | 126 | 5 | ||
| Russian Federation | Daria Kasatkina | 133 | 6 | |
 France | Pauline Parmentier | 140 | 7 | |
 Ukraine | Maryna Zanevska | 141 | 8 |
The following players received wildcards into the singles main draw:
Théo Gravouil Laëtitia Sarrazin Jade SuvrijnThe following players received entry from the qualifying draw:
The following player received entry by a lucky loser spot:
The following player received entry by a protected ranking:
The following player received entry by a junior exempt:
See main article: 2015 L'Open Emeraude Solaire de Saint-Malo – Singles.
Daria Kasatkina def. Laura Siegemund, 7–5, 7–6(7–4)See main article: 2015 L'Open Emeraude Solaire de Saint-Malo – Doubles.
Kristína Kučová / Anastasija Sevastova def. Maria Marfutina / Natalia Vikhlyantseva, 6–7(1–7), 6–3, [10–5]