Sponsored Content SportsEngine, a brand from NBC Sports Next is the leading provider of Sport Relationship Management (SRM) software, empowering athletes, parents, coaches, and sports organization administrators with tools and services to manage their organizations and sports lives. Read SportsEngine stories Battle-of-Sexes Tennis Match May 30, 2021 | 0 minutes, 26 seconds read On this day, in 1973 Billie Jean King won a much hyped nationally televised match held at the Houston Astrodome, between 55-year-old Bobby Riggs and 29-year-old Billie Jean King. September 20, 1973 Sport: Tennis Trivia sports in this article Tennis tags in this article Fan On This Day SportsEngine