Coco puffs past Wickmayer into Stanford final

Coco Vandeweghe, of the United States, follows through on a serve to Yanina Wickmayer, of Belgium, during a semifinal of the Bank of the West tennis tournament Saturday, July 14, 2012 in Stanford, Calif. (AP Photo/Marcio Jose Sanchez)

Coco Vandeweghe, of the United States, follows through on a serve to Yanina Wickmayer, of Belgium, during a semifinal of the Bank of the West tennis tournament Saturday, July 14, 2012 in Stanford, Calif. (AP Photo/Marcio Jose Sanchez)