Na Yeon Choi managed a two-under 69 Saturday to remain atop the leaderboard after two rounds of the Safeway Classic.

Choi, who won twice in 2009 and 2010, but it winless this year, completed 36 holes at eight-under-par 134.

She will go for her fifth LPGA Tour title on Sunday. This is Choi's seventh 36-hole lead on the LPGA Tour. She has won two of the previous six times she was in that position.

Stacy Lewis carded a three-under 68 to move into second place at minus-five at Pumpkin Ridge Golf Club.

Mika Miyazato had the second-best round of the day with her four-under 67. That helped her climb 23 places into third place at three-under-par 139.

Brittany Lincicome (68), Grace Park (73) and Ryann O'Toole (69) are tied for fourth at minus-two.