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2019 US Open Notebook: Serena, Andreescu victorious in semis on Day 11 - Official Site of the 2023 US Open Tennis Championships - A USTA Event
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Novak Djokovic aims to defend US Open and close in on Federer's major haul | US Open Tennis 2019 | The Guardian
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US Open 2019 news - Former champion Sloane Stephens ousted by Russian qualifier Anna Kalinskaya - Eurosport
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US Open 2019: Hoping to resurrect after a heart-breaking Wimbledon loss, Roger Federer starts slow at Flushing Meadows-Sports News , Firstpost
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Williams, Osaka, Barty highlight women's singles field for 2019 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event
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