The Sofia Open is a men's ATP World Tour 250 series tournament played on indoor hard courts.

It was held for the first time as part of the 2016 ATP World Tour.

[1] In 2023 the tournament was held for one additional year, replacing the Tel Aviv Open, which was cancelled due to the outbreak of war in the region.

[2] The tournament took place at the Arena Sofia in Sofia, Bulgaria.

[3]