See main article: article and 2021 President's Cup (tennis).
Marie Bouzková and Vivian Heisen were the defending champions, having won the previous edition in 2019,[1] however both players chose not to participate.
Alina Charaeva and Maria Timofeeva won the title, defeating Evgeniya Levashova and Laura Pigossi in the final, 7–6(7–5), 2–6, [10–6].