Becky Lucidi watches her bunker shot at the 10th hole in Friday's quarterfinal match with Jane Park. (John Mummert/USGA)
Jane Park, of Oak Valley, Calif., wielded a hot putter against Becky Lucidi, posting a 2-up victory in the quarterfinals on Friday. (John Mummert/USGA)
Jane Park hits her approach shot to the par-4 ninth hole from a fairway bunker. Park defeated defending champion Becky Lucidi, 2 up. (John Mummert/USGA)
Aree Song plays her approach shot to the par-4 fourth hole. Song won that hole, but lost a tough 1-up decision to Virada Nirapathpongporn on Friday. (John Mummert/USGA)
Virada Nirapathpongporn celebrates a birdie at the par-5 third hole on Friday. She halved the hole with Aree Song and then held on for a 1-up victory to reach the semifinals for the first time at the Women's Amateur. She was a quarterfinalist the past two years. (John Mummert/USGA)
Korean-born In-Bee Park, 15, continued her roll toward the final with a 3-and-1 victory over Ashley Knoll on Friday. The 2002 U.S. Girls' Junior champion is bidding to become the youngest champion in Women's Amateur history. (John Mummert/USGA)
Ashley Knoll, 18, of The Woodlands, Texas, anxiously watches an approach shot against In-Bee Park on Friday. (John Mummert/USGA)
Ashley Knoll hits her third shot to the uphill par-5 sixth hole in her quarterfinal match against In-Bee Park. Knoll dropped a 3-and-1 decision to the 15-year-old Korean. (John Mummert/USGA)
Wren Sablich checks out the action at the par-3 fifth hole on Friday. The Phoenixville, Pa., resident came out to the Women's Amateur with her father, Tim. (John Mummert/USGA)
Erica Blasberg, of Corona, Calif., watches her chip shot to the par-4 13th hole. The University of Arizona sophomore-to-be dropped a 6-and-5 decision to fellow Californian Paula Creamer. (John Mummert/USGA)
