WTA Insider on Twitter: "Anhelina Kalinina defeats her 3rd consecutive major champion to make her 1st WTA 1000 quarterfinal. The No.37 Ukrainian has notched wins over Sloane Stephens, Garbiñe Muguruza, and Emma
Stephens confirmed for Moscow WC, Muguruza to play Luxembourg
Garbiñe Muguruza - Wikipedia
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Swiatek, Muguruza and Stephens advance, but Kenin, Andreescu and Venus fall | Tennis Threads Magazine