NEW YORK, Sept. 2 (Xinhua) -- Following are the U.S. Open women's singles results on Sunday (prefix denotes seeding):
Women's Singles
Fourth Round
17-Serena Williams, United States, bt Kaia Kanepi, Estonia, 6-0, 4-6, 6-3
8-Karolina Pliskova, Czech Republic, bt 18-Ashleigh Barty, Australia, 6-4, 6-4
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