US Open results Day 9: Tuesday, September 4 2018
Quarter-Finals
(1)Rafael Nadal Defeats (9)Dominic Thiem 06 64 75 67 76
(3)Juan Martin del Potro Defeats (11)John Isner 67 63 76 62
Quarter-Finals
(5)Juan Sebastian Cabal/Robert Farah Defeats (15)Rohan Bopanna/Edouard Roger-Vasselin 63 64
(7)Lukasz Kubot/Marcelo Melo Defeats Austin Krajicek/Tennys Sandgren 64 62