US Open—Flushing Meadows, New York
Fourth-round results:
Dominic Thiem Defeats Felix Auger-Aliassime 76(4) 61 61
Danill Medvedev Defeats Frances Tiafoe 64 61 60
Andrey RublevDefeats Matteo Berrettini 46 63 63 63
Alex de Minaur Defeats Vasek Pospisil 76(6) 63 62
