NEW YORK—Highlights of the first day at U.S. Open on Sunday (times GMT):
0102 PLAY SUSPENDED ON OUTER COURTS
Play was suspended on the outer courts due to rain, while action continues under the roof at the main Arthur Ashe and Louis Armstrong stadiums. Seven matches will resume on Monday.
0001 SVITOLINA SWEEPS PAST SIERRA
Ukraine’s Elina Svitolina had little trouble progressing to the next round, with the ninth seed dispatching Argentina’s Solana Sierra 6-1 6-2 in just 51 minutes.
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.