See main article: article and 2020 L'Open 35 de Saint-Malo.
Ekaterine Gorgodze and Maryna Zanevska were the defending champions[1] but chose not to participate.
Paula Kania and Katarzyna Piter won the title, defeating Magdalena Fręch and Viktorija Golubic in the final, 6–2, 6–4.