Plays with a two-handed backhand...Nickname is "Bubka Junior"...Started playing tennis aged seven in Donetsk, Ukraine...Speaks Russian, English and French...Father, Sergei, is a former athlete, who won six consecutive World Championships, an Olympic gold medal and broke the world record for pole vaulting 35 times...Mother, Liliya, used to be a rhythmic gymnast; brother, Vitaly...Grew up training in Monaco and San Remo, Italy...Favourite surface is indoor hard courts...Favourite shot is the serve...Favourite tournament is the US Open...Idols growing up were Michael Jordan, Andrei Medvedev and Marat Safin...Hobbies include watching movies, football, golf and snowboarding...If he wasn't a tennis player, he would have "studied business and then worked in that area, or team sports"...First played Davis Cup for Ukraine in March 2005...Coached by Olivier Morel (since 2011) in Monte-Carlo and Kiev.