Grigor Dimitrov set up a quarterfinal match with the five-time champion Roger Federer after defeating Alex De Minaur in the fourth round of the US Open 2019
The defending champion at US Open, Novak Djokovic retired from his fourth-round match against Wawrinka as his shoulder injuries woes prevailed in the match.
Grigor Dimitrov held a straight-sets victory against Alex De Minaur 7-5, 6-3, 6-4 in 2 hours and 7 minutes and reached the quarters at the US Open 2019.