Billie Jean King, a remarkable force in the world of tennis, is revered as one of the sport’s greatest champions, accumulating an impressive 39 Grand Slam titles—12 in singles, 16 in women’s doubles, and 11 in mixed doubles. King achieved a career Grand Slam in both singles and mixed doubles and made history by securing a record 20 career titles at Wimbledon. Her unparalleled skill and resilience enabled her to reach at least the semi-finals in 2...