Right now...Pete Sampras is at the top with 14 Grand Slam titles, next is Roger Federer.
But when I research (on wikipedia), they discussed that Bill Tilden was the greatest player...then there is Donald Budge who is the 1st person to win all four grand slam titles...
that's all I know so I really have no idea who is the 1st person to rank #1 in tennis.
rafeal nadal is no:1 in men and jelena jankovic is no:1 in women
Rafael nadal is the best tennis palyer because he is the rank 1 player. You can see the ranking order by this link. http://tennisworld-tennis.blogspot.com/
Lleyton Hewitt, an Australian tennis player, is famous for ranking World No. 1 at age 20, making him the youngest male tennis player to ever rank World No. 1. He has competed in various tournaments as well.
Pete Sampras
As per the recent ranking (October, 2011) by ATP, Novak Djokovic of Serbia is No. 1 in Men's Tennis and Caroline Wozniaki of Denmark is No. 1 in Women's Tennis.
Sharapova is a great tennis player even though Azarenka is #1 top tennis player
Sharath Kamal Achanta is India's Number 1 table tennis player.
Rafael Nadal is currently ranked no.1 men's singles tennis player (2010).
Football-Lionel Messi Golf-Luke Donald Tennis-Rafael Nadal
Not all tennis player do this but when you see this happen the tennis player is seeing which ones they want. Most tennis players take two balls before a serve take one to serve and keep the other one in his/her pocket in case he/she misses his first serve, then he has a extra ball to hit.
Stan Smith, the tennis player, was born on December 14th 1946. Stan is a former World number 1 American tennis player who was born in Pasadena, California.
As of January 19, 2014, the number one tennis player in the ATP is Rafael Nadal.