September 27, 1991 (31)
Simona Halep is a Romanian professional tennis player. She has been ranked world No. 1 in singles twice between 2017 and 2019, for a total of 64 weeks, which ranks eleventh in the history of the Women’s Tennis Association (WTA) rankings. Halep was the year-end No. 1 in 2017 and 2018. From 2014 through 2021, she was ranked in the top 10 for 373 consecutive weeks, the eighth-longest streak in WTA history. During this seven-year span, she finished each year ranked no lower than No. 4. She has won 23 WTA singles titles and has finished runner-up 18 times. Halep has won two Grand Slam singles titles: the 2018 French Open and the 2019 Wimbledon Championships.