5 Chris Evert
Chris Evert is an American former world No. 1 tennis player. She won a total of 18 Grand Slam singles championships and three doubles titles.
She ended the year world number 1 seven times during his career(1974–78, 1980, 1981). Evert achieved 34 Grand Slam singles finals, more than any other player in the history of the game.
Evert won a record-breaking seven titles at the French Open and six championships at the US Open which is tied with another legend Serena Williams.
Evert’s career-besting percentage in singles matches is of 89.97% (1309–146) which is the second-highest in the Open Era, for men or women.
6 Monica Seles
Monica Seles is a former skilled tennis player who depicted Yugoslavia and the United States. She is A former world No. 1 and won a total of nine Grand Slam singles titles.
In 1990, Seles became the youngest-ever French Open champion at the age of just 16. She moved on to win eight Grand Slam singles titles before turning 20th and was the year-end No. 1 in 1991 and 1992.