Swiss tennis player
Roger Federer (born 8 August 1981) is a Swiss professional tennis player and former world No. 1 in men's singles as ranked by the Association of Tennis Professionals (ATP). Federer has won 20 Grand Slam singles titles, the most in history for a male tennis player and has held the world No. 1 spot in the ATP rankings for a total of 302 weeks, including a record 237 consecutive weeks. After turning professional in 1998, he was continuously ranked in the top ten from October 2002 to November 2016.
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