is a Romanian professional tennis player. She has been ranked world No. 1 in singles twice between 2017 and 2019. In total, she has been No. 1 for 64 weeks, which ranks tenth in the history of the Women's Tennis Association (WTA) rankings. Halep was the year-end No. 1 in 2017 and 2018. She has finished each year ranked no lower than No. 4 since 2014 and has the longest active streak of being ranked in the top 10. She has won 22 WTA singles titles, including two Grand Slam titles at the 2018 French Open and the 2019 Wimbledon Championships, and one WTA doubles title.