Order of play on the main showcourts on the ninth day of the US Open on Tuesday (play starts at 7pm UAE unless stated), prefix number denotes seeding, all matches quarter-finals unless stated:
Arthur Ashe Stadium (plays starts at 8pm)
- 12-Pablo Carreno Busta (Spain) v 29-Diego Schwartzman (Argentina)
- Sloane Stephens (U.S.) v 16-Anastasija Sevastova (Latvia)
(Not before 3am, Wednesday)
- 9-Venus Williams (U.S.) v 13-Petra Kvitova (Czech Republic)
- 17-Sam Querrey (U.S.) v 28-Kevin Anderson (South Africa)
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Louis Armstrong Stadium
Men's Doubles
- 1-Henri Kontinen (Finland)/John Peers (Australia) v Nicholas Monroe (U.S.)/John-Patrick Smith (Australia)
- 11-Feliciano Lopez (Spain)/Marc Lopes (Spain) v Robin Haase (Netherlands)/Matwe Middelkoop (Netherlands)
Mixed Doubles
- 8-Lucie Hradecka (Czech Republic)/Marcin Matkowski (Poland) v Anastasia Rodionova (Australia)/Oliver Marach (Austria)
- 1-Martina Hingis (Switzerland)/Jamie Murray (Britain) v Abigail Spears (U.S.)/Juan Sebastian Cabal (Colombia)
Grandstand
Women's Doubles
- 14-Andreja Klepac (Slovakia)/Maria Jose Martinez Sanchez (Spain) v 7-Lucie Hradecka (Czech Republic)/Katerina Siniakova (Czech Republic)
Men's Doubles
- 4-Jamie Murray (Britain)/Bruno Soares (Brazil) v 12-Jean Julien Rojer (Netherlands)/Horia Tecau (Romania)
- 5-Bob Bryan (U.S.)/Mike Bryan (U.S.) v Julien Benneteau (France)/ Edouard Roger-Vasselin (France)
Mixed Doubles
- 4-Timea Babos (Hungary)/Bruno Soares (Brazil) v Coco Vandeweghe (U.S.)/Horia Tecau (Romania)

