Highlights of the first day at the U.S. Open at Flushing Meadows on Monday (times GMT):

1638 KREJCIKOVA KNOCKS OUT MBOKO

Two-time Grand Slam champion Barbora Krejcikova beat Canadian Open winner Victoria Mboko 6-3 6-2 in the first round.

1507 PLAY UNDER WAY

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Play began under partly cloudy skies in New York, with the temperature around 26 degrees Celsius (78.8 degrees Fahrenheit).

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