It was not the end of this high-quality match

It ray ban sunglasses classic 2012 on sale was not the end of this high-quality match — defined by bursts of power rather than sustained exchanges — but it was the end of Kvitova’s best opportunity to generate bona-fide angst. Williams broke her in the next game, then slammed the door with three aces — none slower than 116 m.p.h. — to close out a 6-3, 7-5 win, her most significant victory on grass since the 2010 final here against Vera Zvonareva. “Technically, her serve motion is absolutely perfect,” said the longtime coach Nick Bollettieri, who has known Williams since she was 10. “It’s almost like you wish everybody could serve like that. She uses her legs beautifully, the ray ban sunglasses new style best online right leg drags up, she keeps the left hand extended beautifully.” She translates all that into intimidating power. Williams’s average speed on her first serve against Kvitova was 109 m.p.h. David Ferrer, a Spaniard who is into the men’s quarterfinals, has been averaging 109 m.p.h. on his first serves, too. Williams’s average speed on her second serve Tuesday was 92, faster than the tournament averages for two men’s quarterfinalists: Florian Mayer (87 m.p.h.) ray ban sunglasses new style best online and Andy Murray at (88).