![Billie Jean King's toughest opponent was the male establishment - but she took them on and won | Daily Mail Online Billie Jean King's toughest opponent was the male establishment - but she took them on and won | Daily Mail Online](https://i.dailymail.co.uk/1s/2021/09/09/20/47719029-0-image-a-10_1631215019224.jpg)
Billie Jean King's toughest opponent was the male establishment - but she took them on and won | Daily Mail Online
![Game changer: The year Billie Jean King changed tennis forever - The Championships, Wimbledon - Official Site by IBM Game changer: The year Billie Jean King changed tennis forever - The Championships, Wimbledon - Official Site by IBM](https://photo-assets.wimbledon.com/images/pics/large/s_bjking_246_190630_aeltc.jpg)
Game changer: The year Billie Jean King changed tennis forever - The Championships, Wimbledon - Official Site by IBM
![Original Nine Spotlight: Billie Jean King - Official Site of the 2023 US Open Tennis Championships - A USTA Event Original Nine Spotlight: Billie Jean King - Official Site of the 2023 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_Original_9_Billie_Jean_King_Fernberger.jpg)
Original Nine Spotlight: Billie Jean King - Official Site of the 2023 US Open Tennis Championships - A USTA Event
![Tennis icon Billie Jean King on fighting for equal pay for women: 'Pressure is a privilege' - The Washington Post Tennis icon Billie Jean King on fighting for equal pay for women: 'Pressure is a privilege' - The Washington Post](https://arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/XXDQ4NWDQII6TGMGD6Z6IOL34Q.jpg)