British fourth seed Andy Murray and women's world number one and two-time defending champion Serena Williams each advanced to the third round of the WTA and ATP tournament here with triumphs Saturday. Murray dispatched 59th-ranked Juan Monaco of Argentina 4-6, 6-3, 6-2 while Williams, seeking her sixth title here in eight years, ousted 19-year-old fellow American Alexa Glatch 6-2, 6-3. Murray will next face Chile's Nicolas Massu, who battled back to defeat US 27th seed Mardy Fish 5-7, 7-6 (7-4), 6-2. Williams, who like Murray enjoyed a first-round bye as a seed, booked a third-round date against China's Peng Shuai at the 4.5 million-dollar event. Williams, 27, won her 10th Grand Slam title in January at the Australian Open and has three other semifinal runs this season. She could face older sister Venus Williams, the reigning Wimbledon champion, in a semifinal. Viktor Troicki upset 14th-seeded David Nalbandian 6-1, 6-3, and No. 32 Feliciano Lopez of Spain beat Sam Querrey of the United States 6-7 (5), 7-5, 6-2. Germany's Nicolas Kiefer of Germany took 2½ hours and saved a match point to see off French veteran Fabrice Santoro 5-7, 7-6 (5), 6-2. No. 5 Andy Roddick, the 2004 winner needed only 56 minutes to beat Diego Junqueira of Argentina 6-1, 6-1. All three top-10 seeds from France progressed: Seventh-seeded Gilles Simon was a 6-1, 6-2 winner over Lleyton Hewitt, who held his serve only once; ninth-seeded Gael Monfils overcame American qualifier Michael Russell 6-2, 6-7 (5), 6-3; and 10th-seeded Jo-Wilfried Tsonga overwhelmed Agustin Calleri of Argentina 6-1, 6
