 He also led the 2014 FIBA Europe Under-20 Championship in scoring, averaging 19.3 points per game, and rebounds, averaging 11.2 rebounds per game.He was also named to the tournament's All-Tournament Team.Vezenkov also represented the senior men's Bulgarian national team in the second qualification tournament for FIBA EuroBasket 2015, averaging 17.3 points per game, and also being the highest scoring player for the team, in 5 of their 6 games, as well as the team's overall top scorer.