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Top 10 oldest WTA singles champions: Billie Jean King top, but Venus and/or Serena Williams could pip her - Tennis365
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Original Nine Spotlight: Billie Jean King - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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Billie Jean King Cup: Emma Raducanu's loses after blister issues; Great Britain beaten 3-2 to Czechs | Tennis News | Sky Sports
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