Williams, 38, spent three and a half years straight at No. 1 in the WTA rankings. She also became the oldest No. 1 player in WTA history and tied Steffi Graf’s record for most consecutive weeks at the top.In all, Williams reached the finals at 19 of the 33 majors she competed in and collected 37 singles titles over the past decade (she boasts a career total of 72 singles titles) — 11 more than anyone else.

Off the court, her celebrity status has given her a platform to champion women’s rights and call attention to health care inequality for black women in the United States.

Moreover, Williams is currently No. 10 in the WTA rankings.