Serena Williams is ranked number one, and is the player to have won the most grand slams on the WTA tour at the moment. So, in my opinion, she is the best. But, Steffi Graf (a retired player) has won many more grand slams than Serena.
Current WTA Rank: 74
Andre Agassi is currently married to Steffi Graf (who was also No. 1 in WTA at one point). They have 2 kids, Jaden and Jaz.
Justine Henin asked to have her ranking erased from the WTA computer instead of seeing it slip into oblivion, thereby elevating Sharapova to the No. 1 rank.
Justine Henin has won 42 WTA titles in her tennis career. Those titles included seven Grand Slam titles. She retired initially in 2008 and then again in 2011 after an unsuccessful comeback.
Margaret Lumia is currently the oldest player on tour at age 54 with a current WTA rank of 775
WTA Austrian Open ended in 2004.
WTA Tour Championships was created in 1972.
WTA Austrian Open was created in 1968.
WTA South Carolina ended in 1987.
WTA South Carolina was created in 1985.
WTA New Jersey ended in 1989.