2021 L'Open 35 de Saint-Malo – Doubles

Paula Kania-Choduń and Katarzyna Piter were the defending champions[1] but chose not to participate.

Kaitlyn Christian and Sabrina Santamaria won the title, defeating Hayley Carter and Luisa Stefani in the final, 7–6(7–4), 4–6, [10–5].

[2]