NEW YORK, Sept. 4 (Xinhua) -- Following are the fourth round results on Monday from the US Open at USTA Billie Jean King National Tennis Center (prefix number denotes seeding):

Men's singles

7-Marin Cilic, Croatia, bt 10-David Goffin, Belgium, 7-6 (6), 6-2, 6-4

21-Kei Nishikori, Japan, bt Philipp Kohlschreiber, Germany, 6-3, 6-2, 7-5

6-Novak Djokovic, Serbia, bt Joao Sousa, Portugal, 6-3, 6-4, 6-3

John Millman, Australia, bt 2-Roger Federer, Switzerland, 3-6, 7-5, 7-6 (7), 7-6 (3)

Women's singles

30-Carla Suarez-Navarro, Spain, bt 22-Maria Sharapova, Russia, 6-4, 6-3

14-Madison Keys, United States, bt 29-Dominika Cibulkova), Slovakia, 6-1, 6-3

20-Naomi Osaka, Japan, bt 26-Aryna Sabalenka, Belarus, 6-3, 2-6, 6-4

Lesia Tsurenko, Ukraine, bt Marketa Vondrousova, Czech Republic, 6-7 (3), 7-5, 6-2 Enditem