She competed at Wimbledon for the first time in 1970. She won her first Grand Slam singles title in 1971, beating Helen Gourlay to win the French Open. A month later, she beat Margaret Court to win the Wimbledon Championship. The next year, she lost in the Wimbledon final to Billie Jean King. She lost to King again in the semi-final in 1973, and a third time in the final in 1975. She lost to Chris Evert in the final in 1976. She won the Wimbledon title for the second time in 1980, playing against Evert again in the final. Goolagong had given birth to her daughter in 1977. She became the first and only mother to win since Dorothea Douglass-Chambers 66 years before.