hsieh su-wei
Rogers Cup: Osaka survives Hsieh to reach quarters in Cincinnati
Osaka, who lost to Hsieh at the Miami Open in March, admitted a day earlier that the Taiwanese challenger was an unpredictable opponent.
Miami Open: Naomi Osaka suffers shock defeat to Hsieh Su-wei
The 33-year-old Hsieh came from a set down to prevail 4-6 7-6(4) 6-3 as her unorthodox style frustrated, and wore down Osaka.
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