John McEnroe
Women are not ranked by the ATP, but by the WTA (Women's Tennis Association). The current number one in singles is Victoria Azarenka, and in doubles it is Cara Black.
Garry Kasparov is the number 1 ranked player in the world.
Rohan Bopanna is a professional Indian tennis player, currenly [2011] ranked #2 in India, though he is probably a better doubles than singles player internationally, having reached an ATP doubles ranking of #56.
As of 4 October, 2010, the highest ranked singles player from Africa on the men's tour is Kevin Anderson of South Africa. In the latest list, he is ranked 66 in the world. Wesley Moodie, also of South Africa, is currently the highest-ranked male on the doubles tour (20). In the women's game, Chanelle Scheepers of RSA is currently ranked 102nd in the world, therefore making her the highest-ranked African on tour (also as of 4 October, 2010), whilst in doubles, Cara Black of Zimbabwe is currently ranked number 9 in the world. Liezel Huber, who is originally from South Africa, but now represents USA, is world number one in doubles.
As of December 2010, Rafael Nadal is the number 1 ranked male tennis player. As of January 2011, Caroline Wozniacki is the number 1 ranked female tennis player.
Rafael Nadal is currently ranked no.1 men's singles tennis player (2010).
Olympic Rosters.
Andrew wiggins!
As of Dec 2010, the top ranked player in women badminton is Xin Wang.
She is a Swiss professional tennis played, ranked the world number 2 in doubles
Men Andre Agassi
Wang Zhen (Eugene)