ROGERS, Ark. -- Top-ranked Lydia Ko eagled the par-5 18th to tie the course record at 9-under 62 and take a share of the second-round lead Saturday in the LPGA Tour's NW Arkansas Championship.
Ko matched Morgan Pressel at 15-under 128 at Pinnacle Country Club, tying the tournament 36-hole record set by Veronica Felibert in 2012.
Pressel, winless since 2008, had a 63.
China's Jing Yan, Taiwan's Candie Kung and Canada's Alena Sharp were 12 under. Sharp birdied the last two holes for a 65, Yan also shot 65, and Kung had a 66.
First-round leader Ayako Uehara followed her opening 62 with a 74 to drop to 6 under.