Widely known for his career in the singles division of the ATP. He earned a then-career high ranking of #67 in the ATP world singles rankings in August 2017 after jumping to #2 in the junior rankings in August 2016.
He began playing tennis at age 5 at his mother's club. He won his first junior title as a singles player in October 2013 at the ITF G5 tournament.
He won the 2016 Wimbledon junior singles title. He had previously won the 2015 US Open doubles tournament with partner Félix Auger-Aliassime.
He has one older brother named Evgeniy. His mother and father are of Jewish and Russian descent, respectively.