U.S. Open men's singles results

NEW YORK, Aug. 31 (Xinhua) -- Following are the results from the U.S. Open at USTA Billie Jean King National Tennis Center on Tuesday (prefix number denotes seeding):

Men's singles first round

Ernesto Escobedo, United States, bt Pablo Cuevas, Uruguay, 6-1, 6-3, 6-1

Mackenzie McDonald, United States, bt 27-David Goffin, Belgium, 6-2, 7-5, 6-3

22-Reilly Opelka, United States, bt Kwon Soon Woo,