Billie Jean King the match proved to her that she was "good enough to be the best in the world. I'm going to win Wimbledon next year." She won six tournaments during the year. For the first time in 81 years, the annual convention of the United States Lawn Tennis Association overruled its ranking committee's recommendation to award her the sole U.S. No. 1 position and voted 59,810 to 40,966 to rank Nancy Richey Gunter and King as co-U.S. No. 1. Six of King's Grand Slam singles titles were at Wimbledon, four were at the U.S. Championships/Open, one was at the French Open,
Billie Jean King of America, which opened in 2008. The museum is the home of the Billie Jean King International Women's Sports Center, a comprehensive women's sports hall of fame and exhibit. King and her then-husband Larry co-founded World Team Tennis in 1974. The couple used their savings to put on a team tennis event at the Oakland Coliseum. King remained involved with World Team Tennis for decades, eventually sharing ownership with her ex-husband, her life partner Ilana Kloss and USTA. In 1999, King was elected to serve on the Board of Directors of Philip Morris Incorporated, garnering some criticism from anti-tobacco groups.