See main article: article and 2021 Bol Open.
Timea Bacsinszky and Mandy Minella were the defending champions, having won the previous edition in 2019,[1] but chose not to participate.
Aliona Bolsova and Katarzyna Kawa won the title, defeating Ekaterine Gorgodze and Tereza Mihalíková in the final, 6–1, 4–6, [10–6].