Victoria Azarenka is currently ranked number one 9/9/12.
The current number 1 male tennis player is Rafael Nadal followed by Rodger Federer and Stan Wawrinka For the womens, Serena Williams is currently ranked World No. 1
Steffi Graff is most well known for her accomplishments in the sport of tennis. She has won number 1 titles on all 4 of the major surface types used in tennis and at one point was ranked as the worlds number 1 womens tennis player.
Justine Henin retired so now it's Caroline Wozniacki
a tennis player who fought for womens rights. she was born in 1948
Mens: Wang Hao (china) Womens: Zhang Yininig
Right now, Serena Williams is the greatest womans' tennis player in the world because she beat Jelena Jankovic in the finals of the US Open.
Its a womens tennis assosiation lol
Men's tennis organisation: ATP Women's tennis organisation: WTA