Billie Jean King was 20 and Larry 19 years old and married on September 17, 1965 in Long Beach. King's triumph at the French Open in 1972 made her only the fifth woman in tennis history to win the singles titles at all four Grand Slam events, a "career Grand Slam." She also won a career Grand Slam in mixed doubles. In women's doubles, only the Australian Open eluded her. King won a record 20 career titles at Wimbledon – six in singles, 10 in women's doubles, and four in mixed doubles. King played 51 Grand Slam singles events from 1959 through 1983,
1971 US Open – Women's Singles 1971 US Open – Women's Singles Two-time reigning champion Margaret Court did not defend her title. Billie Jean King defeated Rosemary Casals 6–4, 7–6 (5-2) in the final to win the Women's Singles tennis title at the 1971 US Open. This tournament was notable for being the first Grand Slam appearance in which Chris Evert competed in the main draw, she made it to the semi-final. She competed in 19 consecutive US Open tournaments until her retirement in 1989. The seeded players are listed below. Billie Jean King is the champion; others show the round in which they were eliminated.