Federer, Monfils, Berdych and Cilic advance to US Open quarterfinals

US Open—Flushing Meadows, New York

Fourth Round Results:
[2] Roger Federer (SUI) d. [17] Roberto Bautista Agut (ESP) 64 63 62
[6] Tomas Berdych (CZE) d. Dominic Thiem (AUT) 61 62 64
[20] Gael Monfils (FRA) d. [7] Grigor Dimitrov (BUL) 75 76(6) 75
[14] Marin Cilic (CRO) d. [26] Gilles Simon (FRA) 57 76(3) 64 36 63