ATP/WTA Washington Open results

Following are the results on Friday from the fifth day of the ATP and WTA Washington Open (prefix number denotes seeding):

Men

Quarter-finals

13-Ivo Karlovic, Croatia, bt 6-Jack Sock, United States, 7-6 (7/4), 7-6 (8/6)

5-Steve Johnson, United States, bt 1-John Isner, United States, 7-6 (9/7), 7-6 (17/15)

Women

Quarter-finals

7-Yanina Wickmayer, Belgium, bt 4-Kristina Mladenovic, France, 4-6, 6-3, 6-4

6-Yulia Putintseva, Kazakhstan, bt Risa Ozaki, Japan, 6-4, 6-2

Jessica Pegula, United States, bt 1-Samantha Stosur, Australia, 7-6 (7/4), 6-3

Endit