The Serbia Open is a men's tennis tournament born in 2009, the editions from 2013 to 2020 were not held and it was re-entered into the circuit in 2021. It is part of the ATP Tour and takes place annually on the red clay courts of Novak Tennis Center in Belgrade, Serbia.

The tournament, organized by Novak Dokovic's family, was born to replace the Dutch Open in Amersfoort and was the first professional event held on Serbian soil, also summarized in the description of the logo. Back on the calendar in 2021 following the relocation of the Budapest tournament.