NEW YORK, Sept. 4 (Xinhua) -- Following is the US Open women's singles quarterfinals line-up (prefix number denotes seeding):
17-Serena Williams, United States, vs 8-Karolina Pliskova, Czech Republic
3-Sloane Stephens, United States, vs 19-Anastasija Sevastova, Latvia
30-Carla Suarez Navarro, Spain vs 14-Madison Keys, United States
20-Naomi Osaka, Japan, vs Lesia Tsurenko, Ukraine