US Open day one

NEW YORK, Aug 30 : Highlights of the first day at U.S. Open on Sunday (times GMT):

2020 MEDVEDEV, KOSTYUK ROLL INTO SECOND ROUND

Former U.S. Open champion Daniil Medvedev made light work of Frenchman Hugo Gaston, winning 6-4 6-2 6-4 to reach the second round.

Earlier, 11th seed Marta Kostyuk cruised past Australian Storm Hunter 6-4 6-1 as the Ukrainian looks to make another deep Grand Slam run in New York.

1735 PEGULA ADVANCES

American Jessica Pegula advanced to the second round as the third seed began her campaign at Arthur Ashe on a perfect note, registering a dominant 6-3 6-2 win over Romanian Elena-Gabriela Ruse.

1730 CILIC WITHDRAWS FROM US OPEN

The 2014 champion Marin Cilic withdrew from the U.S. Open due to injury ahead of his first-round match. Lucky Loser Otto Virtanen was named as his replacement in the competition.

1710 KREJCIKOVA KNOCKED OUT

Czech Republic's Barbora Krejcikova became the first seeded player to exit the tournament after the 27th seed fell 7-6(4) 6-2 to Uzbekistan's Kamilla Rakhimova in the opening round. Despite saving six match points, the two-time Grand Slam champion could not stave off defeat.

1655 PAOLINI ADVANCES

Italian Jasmine Paolini battled past Slovenia's Veronika Erjavec, overcoming a second-set wobble before prevailing 6-3 3-6 6-4. The 19th seed cruised through the opening set but had to weather a spirited fightback from Erjavec before regaining control in the decider to book her place in the second round.

1645 FIRST RESULT OF THE DAY

Unseeded Polish player Kamil Majchrzak defeated Serbia's Hamad Medjedovic 6-3 6-3 6-3, becoming the first men's player to advance to the second round.

Tennis-Pegula foils Ruse to reach US Open second round

Tennis-Ruud pulls out of US Open with back injury