The 2020 L'Open 35 de Saint-Malo was a professional tennis tournament played on outdoor clay courts. It was the twenty-fifth edition of the tournament which was part of the 2020 ITF Women's World Tennis Tour. It took place in Saint-Malo, France between 7 and 13 September 2020.
Singles main-draw entrants
Seeds
1 Rankings are as of 31 August 2020.
Other entrants
The following players received wildcards into the singles main draw: Clara Burel Amandine Hesse Marine Partaud Margot Yerolymos
The following players received entry from the qualifying draw: Audrey Albié Flavie Brugnone Sara Cakarevic Amanda Carreras Aubane Droguet Elsa Jacquemot Diāna Marcinkēviča Helene Pellicano
Champions
Singles
Nadia Podoroska def. Cristina Bucșa, 4–6, 7–5, 6–2
Doubles
Paula Kania / Katarzyna Piter def. Magdalena Fręch / Viktorija Golubic, 6–2, 6–4