Kerber prevails, faces Keys next

Posted: January 22, 2018 at 1:54 a.m.

Germany's Angelique Kerber reacts after losing a point to Taiwan's Hsieh Su-wei during their fourth round match at the Australian Open tennis championships in Melbourne, Australia, Monday, Jan. 22, 2018. (AP Photo/Dita Alangkara)

MELBOURNE, Australia -- Angelique Kerber remains the only Grand Slam singles winner in the Australian Open women's draw after surviving a frustrating fourth-round match.

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