US Open—New York, NY, U.S.A.
Fourth-round results:
John Millman Defeats (2) Roger Federer 36 75 76(7) 76(3)
(6) Novak Djokovic Defeats Joao Sousa 63 64 63
(7) Marin Cilic Defeats (10) David Goffin 76(6) 62 64
(21) Kei Nishikori Defeats Philipp Kohlschreiber 63 62 75
