U.S. Open Results

NEW YORK (AP) -Results Saturday from the U.S. Open (seedings in parentheses):

Singles

Men

Third Round

Sam Querrey, United States, def. Ivo Karlovic (14), Croatia, 7-6 (5), 7-6 (5), 6-2.

Rafael Nadal (1), Spain, def. Viktor Troicki, Serbia, 6-4, 6-3, 6-0.

Stanislas Wawrinka (10), Switzerland, def. Flavio Cipolla, Italy, 5-7, 6-7 (4), 6-4, 6-0, 6-4.

Andy Murray (6), Britain, def. Jurgen Melzer, Austria, 6-7 (5), 4-6, 7-6 (5), 6-1, 6-4.

Gael Monfils (32), France, def. David Nalbandian (7), Argentina, 6-3, 6-4, 6-2.

Juan Martin del Potro (17), Argentina, def. Gilles Simon (16), France, 6-4, 6-7 (4), 6-1, 3-6, 6-3.

Kei Nishikori, Japan, def. David Ferrer (4), Spain, 6-4, 6-4, 3-6, 2-6, 7-5.

Mardy Fish, United States, def. James Blake (9), United States, 6-3, 6-3, 7-6 (4).

Women