In the US Open Tennis, Top seeded Novak Djokovic, Serena Wiliiams and Victoria Azarenka have advanced to the third round. Serbian Djokovic maintained his scathing attack by crushing Frenchman Paul-Henri Mathieu 6-1, 6-3, 6-0. With this win, the World No.1 Djokovic who had won the Grand Slam title in 2011, advanced to the third round and will play Sam Querrey at the Flushing Meadows in New York tomorrow. Sam Querrey pulled off an upset in the second round by defeating 28th-seeded Spaniard Guillermo Garcia-Lopez in straight sets.In women's singles event, defending champion Serena Williams thrashed fellow American Vania King 6-1, 6-0 in 56 minutes. The five-time champion will next play compatriot Varvara Lepchenko for a place in the last 16. In another women's singles match, 16th seeded, Belarusian Victoria Azarenka defeated American Christina McHale, 6-3, 6-2 to advance into the third round.