Karen Abgarovich Khachanov (; born 21 May 1996) is a Russian professional tennis player. Khachanov has won four ATP Tour singles titles, including a Masters 1000 title at the 2018 Paris Masters, has claimed an Olympic silver medal at the 2020 Tokyo Olympics, and has reached two major semifinals at the 2022 US Open and 2023 Australian Open. He achieved his career-high singles ranking of world No. 8 on 15 July 2019. Early life and background 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 from Yerevan, played volleyball before studying medicine, while his mother, Nataliya, a Russian, also studied medicine. Khachanov's maternal grandfather was also half Armenian. Despite having been born in Russia, Khachanov tweeted: "I always say that I have Armenian roots." He has a sister and a brother. 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. After Khachanov turned 15, he moved to Split, Croatia, where he trained under Vedran Martić, Goran Ivanišević's former coach. Later, he moved to Barcelona and was coached by Galo Blanco. Junior career Khachanov won the Under-18 European Championship title in Switzerland in July 2013. Together with Andrey Rublev he won a silver medal in doubles at the 2014 Summer Youth Olympics. They lost in the final to Brazilian players Orlando Luz and Marcelo Zormann. Professional career 2013–15: Davis Cup debut, First Future & Challenger titles Still as under 18, Khachanov made his ITF Circuit debut at the $15K event in Russia, losing his first match against compatriot Alexey Vatutin. In September of the following year, he got a wildcard for his first ATP Tour participation at the St. Petersburg Open. There he recorded his first win by defeating Victor Hanescu in the first round. He then faced Lukas Rosol, but lost in straight sets. A month later he got another wildcard, for the Kremlin Cup. Things got even better there, as he defeated Albert Ramos Vinolas and top 30 Janko Tipsarevic. In the next round he lost to Ivo Karlovic. The following week he made his debut for Russia at the Davis Cup, and at age 17 years and 157 days he became the youngest Russian tennis player in the pro