US Open day one

NEW YORK, Aug 30 : Highlights of the first day at U.S. Open on Sunday (times GMT):1735 PEGULA ADVANCESAmerican 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 OUTCzech 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 of