Background
He is the son of Macedonian parents.
He is the son of Macedonian parents.
He competed in the 2014 United States Open. In 2013, Kozlov reached quarterfinals at Wimbledon juniors where he lost to Kyle Edmund and broke the Top 20 in International Tennis Federation World Junior Rankings (at Number 17). He made his Association of Tennis Professionals World Tour debut as a wild card at the Newport tournament in 2013 and lost in the first round to Michał Przysiężny in 3 sets.
Singles (3–4)
Doubles (2–1)
Boys" Singles
Boys" Doubles.