2018 Diema Xtra Sofia Open
[ca] Diema Xtra Sofia Open 2018
[cs] Diema Xtra Sofia Open 2018
[de] Diema Xtra Sofia Open 2018
[es] Torneo de Sofía 2018
[fr] Tournoi de tennis de Sofia (ATP 2018)
[it] Sofia Open 2018
[nl] ATP-toernooi van Sofia 2018
[nb] Diema Xtra Sofia Open 2018
[pl] Sofia Open 2018
[ru] Открытый чемпионат Софии по теннису 2018