US Open results

Following are Sunday's results from the US Open tennis tournament (prefix number denotes seeding):

Men's fourth round

9-Jo-Wilfried Tsonga, France, bt 26-Jack Sock, United States, 6-3, 6-3, 6-7 (7-9), 6-2

24-Lucas Pouille, France, bt 4-Rafael Nadal, Spain, 6-1, 2-6, 6-4, 3-6, 7-6 (8-6)

10-Gael Monfils, France, bt Marcos Baghdatis, Cyprus, 6-3, 6-2, 6-3

Women's fourth round

Caroline Wozniacki, Denmark, bt 8-Madison Keys, United States, 6-3, 6-4

Anastasija Sevastova, Latvia, 13-bt Johanna Konta, Britian, 6-4, 7-5

7-Roberta Vinci, Italy, bt Lesia Tsurenko, Ukraine, 7-6 (7-5), 6-2

Endit