Mexico's Lorena Ochoa shot a six- under-par 66 and moved into sole possession of first place following the third round of the LPGA's Navistar Classic on Saturday.

Defending champ Ochoa moved to 16-under 200 and is three strokes ahead of Germany's Sandra Gal.

Gal also fired a 66 on Saturday at The Senator Course at Capitol Hill Golf Club.

Alexis Thompson struggled on Saturday as the 14-year-old shot a two-over 74 and fell into a tie for 13th place at eight-under 208. She shared the second round lead with Ochoa.

Michelle Wie shot an even-par 72 and is in a group with Thompson at minus-eight.