An ATP 250 event in Sofia, Bulgaria, has been added to 2023 ATP Tour calendar. The tournament will take place as a single-year licence, replacing the Tel Aviv Watergen Open, which was cancelled due to the outbreak of war in the region. Tennis In The Capital Bulgaria has made its mark on the ATP Tour through Grigor Dimitrov, and the country hosted its first ATP Tour event in its capital city of Sofia in 2016. Fittingly, Dimitrov won the tournament in 2017 during his Sofia debut.