WATCH: Tennis legend Billie Jean King on aging gracefully and the state of women’s sports

The CNBC Sport videocast brings you interviews with the biggest names in the business. In this week’s episode, CNBC’s Alex Sherman sits down with hall of fame tennis legend Billie Jean King. They discuss embracing the aging process, the current state of women’s sports, and why she believes the future of the game depends on a united tennis tour.

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Below is the launch episode of the Billie Jean King Cup’s new in-depth interview series with incredible women who make up the past, present and future of the World Cup of Tennis.

As a 19-year-old, she competed in the winning USA team at the inaugural Federation Cup event at Queen’s Club, London back in 1963. She has been wrapped up in its history ever since. King has lifted the trophy more than any other person in history, with 10 wins as player and captain. She did that alongside her other incredible achievements on the court, including 39 Grand Slam titles, being a co-founder of the Women’s Tennis Association (WTA), and pushing for equal prize money at the majors. Throughout this wide-ranging conversation, she discusses which women sparked her tennis imagination as a child, how she manages the responsibility of being a leader, and what it was like to captain a USA team that included Monica Seles, Lindsay Davenport and the Williams sisters.