Lydia Ko has surged up the leaderboard after a scintillating final round at the NW Arkansas Championship's final round.
Beginning the day tied for 40th, the 19-year-old shot an eight-under 63 to move into a share of fifth place at 11-under.
Ko had eight birdies in the day to be the clubhouse leader, two shots behind leaders Na Yeon Choi, Stacy Lewis and Mika Miyazato.
