Daniil Sergeyevich Medvedev (Russian: Даниил Сергеевич Медведев, IPA: [dənʲɪˈil sʲɪrˈɡʲe(j)ɪvʲɪtɕ mʲɪdˈvʲedʲɪf]; born 11 February 1996) is a Russian professional tennis player. He has been ranked as high as world No. 1 in men's singles by the Association of Tennis Professionals (ATP). He has won 20 ATP Tour singles titles, including the 2021 US Open and 2020 ATP Finals. Medvedev made his ATP Tour main draw debut at the doubles event of the 2015 Kremlin Cup, and in 2017, he participated in a singles major for the first time at Wimbledon.
https://en.wikipedia.org/wiki/Daniil_Medvedev