NEW YORK, Aug. 28 (Xinhua) -- Following are the results on Thursday from the fourth day of the U.S. Open (prefix number denotes seeding):
Men
Second round
Sam Querrey, United States, bt 28-Guillermo Garcia-Lopez, Spain, 6-3, 6-4, 6-4
22-Philipp Kohlschreiber, Germany, bt Michael Llodra, France, 6- 2, retired
13-John Isner, United States, bt Jan-Lennard Struff, Germany, 7- 6 (7-5), 6-4, 6-2
Jo-Wilfried Tsonga, France, bt Aleksandr Nedovyesov, Kazakhstan, 6-3, 6-4, 6-4
Pablo Carreno-Busta, Spain, bt Benoit Paire, France, 6-1, 6-4, 3-6, 6-3
10-Kei Nishikori, Japan, bt Pablo Andujar, Spain, 6-4, 6-1, retired
Women
Second round
1-Serena Williams, United States, bt Vania King, United States, 6-1, 6-0
Varvara Lepchenko, United States, bt Mona Barthel, Germany, 6-4, 6-0
11-Flavia Pennetta, Italy, bt Shelby Rogers, United States, 6-4, 6-3
29-Casey Dellacqua, Australia, bt Wang Qiang, China, 4-6, 6-4, 6-2
Karolina Pliskova, Czech Republic, bt 8-Ana Ivanovic, Serbia, 7- 5, 6-4
16-Victoria Azarenka, Bulgaria, bt Christina McHale, United States, 6-3, 6-2