Elysse Smidinger, 17, of Crofton, Md., survived the 5-for-1 playoff by making a 4 at the par-4 16th hole, the second playoff hole. Emily Collins of Colleyville, Texas, and Kendall Prince of Lake Oswego, Ore., each made 5s. Smidinger, who will be a senior at Arundel High this fall, will face co-medalist Jihee Kim, 17, of Korea in the first match on Wednesday at 9 a.m. EDT.
This is Smidinger's second USGA event. She missed the match-play cut at the 2010 U.S. Girls' Junior.
In 2009, she won the Maryland State Golf Association Girls' Junior and was runner-up at the 2009 MSGA Women's Amateur.
She is a former gymnast who once won the Level 6 Maryland State Championship.