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World No. 34 was Zheng Saisai's highest singles ranking, achieved on January 11, 2016, when she became the first Chinese player to be ranked in the top 40 in over a decade. At that time, Zheng was one of the most formidable opponents on the WTA Tour, known for her powerful groundstrokes, particularly her forehand, which was frequently compared to that of Maria Sharapova.