Order of play on the main show courts on the first day of the U.S. Open on Monday (play 1500 GMT/11 AM ET unless stated, prefix number denotes seeding):
ARTHUR ASHE STADIUM (1600 GMT/12 PM ET)
1-Iga Swiatek (Poland) v Rebecca Peterson (Sweden)
Learner Tien (U.S.) v 10-Frances Tiafoe (U.S.)
Laura Siegemund (Germany) v 6-Coco Gauff (U.S.)
Alexandre Muller (France) v 2-Novak Djokovic (Serbia)
LOUIS ARMSTRONG STADIUM
18-Victoria Azarenka (Belarus) v Fiona Ferro (France)
Sloane Stephens (U.S.) v 19-Beatriz Haddad Maia (Brazil)
Steve Johnson (U.S.) v 9-Taylor Fritz (U.S.)
7-Stefanos Tsitsipas (Greece) v Milos Raonic (Canada)
Tatiana Prozorova (Russia) V Caroline Wozniacki (Denmark)