This was the first edition of the tournament, primarily created due to the one-week delay of the 2021 French Open.
Jonathan Erlich and Andrei Vasilevski (tennis), Andrei Vasilevski won the title, defeating André Göransson and Rafael Matos in the final, 6–4, 6–1.
Seeds
Draw
Draw
References
External links
Main Draw
{{DEFAULTSORT:2021 Belgrade Open - Doubles
2021 ATP Tour, Belgrade Open - Doubles