2017 US Open Men's Singles Fourth Round - Roger Federer beat Dominic Philipp Kohlschreiber and enters QF Monday Sep 04,2017

Roger Federe(Swiss)beat Philipp Kohlschreiber (Germany) 6-4,6-2,7-5

This was Roger Federer at his hard-to-beat best, a performance so unlike the pair of uncomfortable five-setters he laboured through to begin the U.S. Open