By Reuters Staff

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       NEW YORK (Reuters) - Order of play on the main show courts on the eighth day of the U.S. Open on Monday (play starts at 1500 GMT/11 AM ET unless stated, prefix number denotes seeding):

       Sep 4, 2021; Flushing, NY, USA; Alexander Zverev of Germany reaches for a forehand against Jack Sock of the United States (not pictured) on day six of the 2021 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Geoff Burke-USA TODAY Sports

       ARTHUR ASHE STADIUM (1600 GMT/12 PM ET) 4-Alexander Zverev (Germany) v 13-Jannik Sinner (Italy)

       Shelby Rogers (U.S.) v Emma Raducanu (Britain)

       1-Novak Djokovic (Serbia) v Jenson Brooksby (U.S.)

       17-Maria Sakkari (Greece) v 6-Bianca Andreescu (Canada)

       LOUIS ARMSTRONG STADIUM 11-Belinda Bencic (Switzerland) v 7-Iga Swiatek (Poland)

       22-Reilly Opelka (U.S.) v Lloyd Harris (South Africa)

       Oscar Otte (Germany) v 6-Matteo Berrettini (Germany)

       Compiled by Simon Jennings in Bengaluru; Editing by Christian Radnedge

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