Born in Bulgaria, Dionisiev was one of several foreign-born players to represent the
Uzbekistan national football team in
2002 FIFA World Cup qualifying. He scored on his debut, a 7–0 victory against Taiwan on 23 April 2001. In 2001 Dionisiev received an Uzbek passport together with his compatriot
Georgi Georgiev and made five appearances for the
Uzbekistan national football team.
International goals :''Scores and results list Uzbekistan's goal tally first.'' ==Personal life==