US Open results (updated)

Following are the US Open results on Monday, the eighth day of the 2015 tournament at Flushing Meadows (prefix number denotes seeding):

Men

4th rd

15-Kevin Anderson, South Africa, bt 3-Andy Murray, Britain, 7-6 (7/5), 6-3, 6-7 (2/7), 7-6 (7/0)

12-Richard Gasquet, France, bt 6-Tomas Berdych, Czech Republic, 2-6, 6-3, 6-4, 6-1

2-Roger Federer, Switzerland, bt 13-John Isner, United States, 7-6 (7/0), 7-6 (8/6), 7-5

5-Stan Wawrinka, Switzerland, bt Donald Young, United States, 6-4, 1-6, 6-3, 6-4

Women

4th rd

5-Petra Kvitova, Czech Republic, bt Johanna Konta, Britain, 7-5, 6-3

26-Flavia Pennetta, Italy, bt 22-Samantha Stosur, Australia, 6-4, 6-4

20-Victoria Azarenka, Belarus, bt Varvara Lepchenko, United States, 6-3, 6-4

2-Simona Halep, Romania, bt 24-Sabine Lisicki, Germany, 6-7(6/8), 7-5, 6-2

Endi