Elizabeth Wang shot an even-par 71 on Wednesday in the Junior PGA Championship to take a one-stroke lead in the girls' division, and Brad Dalke's advantage in the boys' competition was cut from six to two shots.
The 15-year-old Wang, from San Marino, California, had a 4-under 209 total at Miramont Country Club.
Mariel Galdiano of Pearl City, Hawaii, coming off a victory last week in the Canadian Women's Amateur, was second after her third straight 70.
Yujeong Son of Norman, Oklahoma, the first-round leader after a 64, was third at 1 under after a 75.
The 17-year-old Dalke, from Hobart, Oklahoma, followed his tournament-record 62 with a 73. He had a 10-under 203 total.
Cole Hammer of Houston was second after a 67. The 15-year-old played in the U.S. Open at Chambers Bay.