Gulbis (ATP 297th) recognized the superiority of the French Ugo Imbers (ATP 110th), who was seeded with the first number in the qualification, by 3-6, 2-6.
The Latvian tennis player went to the court for the first time since August 8, when he failed in the first round of the San Marino “Challenger” tournament qualification.
The tournament in Sofia will take place on the hard surface from September 26 to October 2.
