Order of play on the main show courts on the second day of the U.S. Open on Tuesday (play starts at 1500 GMT/11 AM ET unless stated, prefix number denotes seeding):
Arthur Ashe Stadium (1600 GMT/12 PM ET)
Andy Murray (Britain) v Yoshihito Nishioka (Japan)
Kristie Ahn (U.S.) v 3-Serena Williams (U.S.)
20-Karolina Muchova (Czech Republic) v Venus Williams (U.S.)
Federico Delbonis (Argentina) v 3-Daniil Medvedev (Russia)
Louis Armstrong Stadium
Nao Hibino (Japan) v 10-Garbine Muguruza (Spain)
Jaume Munar (Spain) v 2-Dominic Thiem (Austria)
Yanina Wickmayer (Belgium) v 2-Sofia Kenin (U.S.)
7-Madison Keys (U.S.) v Timea Babos (Hungary)
14-Grigor Dimitrov (Bulgaria) v Tommy Paul (U.S.)
(Compiled by Manasi Pathak in Chennai; editing by Clare Fallon)
