See main article: article and 2021 Transylvania Open.
This was the first edition of the tournament.[1]
Irina Bara and Ekaterine Gorgodze won the title, defeating Aleksandra Krunić and Lesley Pattinama Kerkhove in the final, 4–6, 6–1, [11–9]. This was the first WTA Tour level title won by either Bara or Gorgodze.