Novak Djokovic

Novak Djokovic (Serbian: Novak Šokovic, born 22 May 1987) is a Serbian professional tennis player who is currently ranked World No. 1 by the Association of Tennis Professionals (ATP).
He is considered to be one of the greatest tennis players of all time.
Djokovic has won seven Grand Slam singles titles and has held the No. 1 spot in the ATP rankings for a total of 108 weeks.
By winning three Grand Slam titles in 2011, Djokovic became the sixth male player to win three Grand Slams in a calendar year.
By reaching the 2012 French Open final, he became the ninth player in the Open Era to reach the final of all four Grand Slam singles tournaments and became only the fifth to do so consecutively.
Amongst other titles, he won the Tennis Masters Cup in 2008, 2012, and 2013 and was on the Serbian team which won the 2010 Davis Cup.
He also won the Bronze medal in men's singles at the 2008 Summer Olympics.
He has won 19 Masters 1000 series titles, breaking a single-season record with five titles in 2011.
This places him third on the list of Masters 1000 winners since its inception in 1990.