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 (tennis) / Françoise Dürr, 6–3, 6–3 Billie Jean King / Owen Davidson defeated Betty Stöve / Robert Maud, 6–3, 7–5 1971 US Open (tennis) The 1971 US Open was a tennis tournament that took place on the outdoor grass courts at the Forest Hills, Queens in New York City, USA. The tournament ran from 1 September until 12 September. It was the 91st staging of the US Open, and the fourth Grand Slam tennis event of 1971. Stan Smith defeated Jan Kodeš, 3–6, 6–3, 6–2, 7–6 Billie Jean King defeated Rosemary Casals, 6–4, 7–6 John Newcombe / Roger Taylor defeated Stan