Novak Djokovic

Novak Djokovic (Serbian:Novak Đoković / Новак Ђоковић, pronounced [nôʋaːk d͡ʑôːkoʋit͡ɕ]; born 22 May 1987) is a Serbian professional tennis player who is currently ranked world No. 1 in men's singles tennis by the Association of Tennis Professionals (ATP). He is generally considered one of the greatest tennis players of all time. He is coached by former Slovak tennis player Marián Vajda and former German tennis player and six-time Grand Slam champion Boris Becker. Djokovic has won 11 Grand Slam singles titles, a total which is ranked fourth in the Open Era tied with Björn Borg, and has held the No. 1 spot in the ATP rankings for a total of 197 weeks. By winning three Grand Slam titles in 2011, Djokovic became the sixth male player to win three majors in a calendar year. He repeated this achievement in 2015. In majors, Djokovic has won an all-time record six Australian Open titles (tied with Roy Emerson), including an open era record of three consecutive titles from 2011–2013 (the first and only player to achieve this). He has also won three Wimbledon titles and two US Open titles.