US Open day four

NEW YORK, Sept 2 : Highlights of the fourth day at the U.S. Open on Wednesday (times GMT):

1908 KOSTYUK BEATS STEPHENS

Ukrainian 11th seed Marta Kostyuk defeated 2017 U.S. Open champion Sloane Stephens 6-1 7-5 to advance to the third round.

1901 RAIN DELAYS OUTDOOR MATCHES

Due to rain, play on the outside courts has been suspended until the weather improves. 

1755 RUBLEV KNOCKED OUT

Unseeded Spaniard Daniel Merida stunned 23rd seed Andrey Rublev 6-7(3) 6-2 6-4 6-4, advancing to the third round of a Grand Slam for the first time in his career.

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Birthday boy Monfils beats Vallejo in first round of his last US Open

Home favourite Gauff storms past Sonmez at US Open

1725 MEDVEDEV ADVANCES

Former champion Daniil Medvedev came through a testing third set after cruising through the opening two to seal a 6-1 6-3 7-5 victory over American Sebastian Gorzny in just over two hours.

1650 PEGULA DOMINATES

Third seed Jessica Pegula powered into the third round with a 6-3 6-1 victory over fellow American Sofia Kenin, setting up a meeting with Canada's Leylah Fernandez, who beat Thailand's Mananchaya Sawangkaew 6-4 6-1.

1640 SHNAIDER WINS

Diana Shnaider held off a second-set fightback from former U.S. Open finalist Karolina Pliskova to seal a 6-1 7-6 (4) win and reach the third round.

1630 PAOLINI THROUGH TO THIRD ROUND

Italian 19th seed Jasmine Paolini advanced to the third