US Open: Sensation - Roger Federer lost to Grigor Dimitrov in five sets

Roger Federer left the quarter-finals of the 2019 US Open. Federer lost to the Bulgarian Grigor Dimitrov 6: 3, 3: 6, 6: 3, 4: 6 and 6: 2. Dimiitrov meets Daniil Medvedev on Friday.