Hannah O'Sullivan, of Paradise Valley, Ariz., won the AJGA's Rolex Girls Junior Championship, earning Golfweek's Junior Girls Player of the Week honors.
O'Sullivan beat out Nelly Korda by one shot in Pinehurst, N.C., after shooting a final-round 68 at The Country Club of North Carolina.
• Read more about O'Sullivan's win
O'Sullivan, the No. 18 player in Golfweek's Junior Rankings, is committed to play at USC in 2016.