Tracy Austin

Tracy Ann Austin Holt is an American former world No. 1 tennis player. She won three Grand Slam titles: the women's singles titles at the 1979 and 1981 US Opens, and the mixed doubles title at the 1980 Wimbledon Championships. Additionally, she won the WTA Tour Championships in 1980 and the year-ending Toyota Championships in 1981, both in singles. Austin remains the youngest US Open female singles champion and the youngest inductee into the International Tennis Hall of Fame at age 29.