Billie Jean King represented the US in the Fed Cup and the Wightman Cup.
Billie Jean King . King often represented the United States in the Federation Cup and the Wightman Cup . She was a member of the victorious United States team in seven Federation Cups and nine Wightman Cups . Fed Cup is the premier international team competition in women 's tennis , launched in 1963 to celebrate the 50th Anniversary of the International Tennis Federation ( ITF ) .