Karen Abgarovich Khachanov (Russian: Каре́н Абга́рович Хача́нов; born 21 May 1996) is a Russian tennis player of Armenian descent. He has won four ATP singles titles. Khachanov achieved his career-high singles ranking of world No. 9 on 10 June 2019, after reaching the quarterfinals of the 2019 French Open.
For a time, Khachanov was coached by Igor Bitsenko in Moscow and Vedran Martić in Split, Croatia. In 2014 he joined 4Slam Tennis Academy led by Galo Blanco. Khachanov parted ways with Blanco in November 2017. Now he trains with his previous coach Vedran Martić.
Khachanov started playing tennis at the age of three in kindergarten when his parents put him into the tennis group. His father Abgar, an Armenian, played volleyball at a very high level before studying medicine, while his mother, Natalia, also studied medicine. He has a sister, Margarita, and a brother, Georgiy. His idols growing up were Marat Safin and Juan Martín del Potro and favourite sports teams are Real Madrid and the Miami Heat. He decided to become a professional player at 12.