Zheng Qinwen’s coach Pere Riba believes his charge has only reached “60%” of her potential after a breakthrough season for the Chinese star. The 22-year-old faces Coco Gauff in the WTA ...

MELBOURNE, Australia — Last year's finalist and fifth seed Zheng Qinwen was knocked out of ... The normally ice cool "Queen Wen" got hot under the collar as she was sent packing 7-6 (7/3 ...