NEW YORK, Aug. 27 (Xinhua) -- Following are the U.S. Open tennis results on Monday (prefix denotes seeding):

Women's singles

First round

Kaia Kanepi, Estonia, bt 1-Simona Halep, Romania, 6-2, 6-4

Jil Teichmann, Switzerland, bt Dalila Jakupovic, Slovenia, 6-3, 6-0

Vera Lapko, Belarus, bt Kateryna Bondarenko, Ukraine, 6-3, 6-3

Wang Qiang, China, bt 31-Magdalena Rybarikova, Slovakia, 6-2, 6-2

Irina-Camelia Begu, Romania, bt Jennifer Brady, United States, 6-3, 6-3

7-Elina Svitolina, Ukraine, bt Sachia Vickery, United States, 6-3, 1-6, 6-1

Vania King, United States, bt Natalia Vikhlyantseva, Russia, 7-6 (7/4), 6-3

Men's singles

First round

27-Karen Khachanov, Russia, bt Albert Ramos, Spain, 6-3, 6-2, 6-3

18-Jack Sock, United States, bt Guido Andreozzi, Argentina, 6-0, 7-6 (7/4), 6-2

Guido Pella, Argentina, bt Casper Ruud, Norway, 6-4, 6-4, 6-1

Gilles Simon, France, bt Lloyd Harris, South Africa, 6-2, 6-2, 6-3

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