The number one rank can change every month depending on the players ability of winning a trophy. The current number one is Rafael Nadal. Federer is the tennis player who has been number one for the longest amount of time. The it is Pete Sampras.
As of January 19, 2014, the number one tennis player in the ATP is Rafael Nadal.
DJOKOVIC
currently Roger Federer is the world's number one men's tennis player, followed by Nadal and Djokovic
Pete Sampras, a professional tennis player, was ranked as the world's number 1 tennis player in 1993. He held that position for nineteen consecutive weeks.
Rafael Nadal
Yes
Sarine Williams
Jimmy Connors
bob marley
As of March 2012: Novak Djokovic.
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Novak Djokovic is the number one male player in the world. 49-1 this year!