SooBin Kim shoots course record at Women's Australian Open (The Associated Press)

ADELAIDE, Australia (AP) -- Canadian-based South Korean SooBin Kim shot a course-record 9-under 63 on Thursday to leave defending champion and top-ranked Lydia Ko seven strokes behind at the Women's Australian Open.

Kim's bogey-free opening round came after starting on the 10th hole of The Grange's West course. She had a three-stroke lead over American Casey Grice and Germany's Caroline Masson.

Five-time champion Karrie Webb was in a group with 67s, four behind.

Ko, who won last year's title at Royal Melbourne, bogeyed two holes on her first nine after starting on the 10th, but the New Zealander had three birdies on the back nine for her 70.

''I'll take it,'' Ko said. ''I hit two really loose…