Fifteen-year-old amateur Lydia Ko enters the final round at the CN Canadian Women’s Open with a chance to rewrite the record books. The New Zealander holds a one-shot lead over major champions Stacy Lewis, Inbee Park and Jiyai Shin, and Chella Choi, who is seeking her first win, with 18 holes of play remaining at Vancouver Golf Club.

Fifteen-year-old Lydia Ko and Rolex Rankings No. 45 Chella Choi lead the CN Canadian Women's Open at 8-under-par 135 after 36 holes of play at Vancouver Golf Club.

Rolex Rankings No. 1 Yani Tseng looked to be back to her old form on Thursday, firing a 6-under 66 to take sole possession of the first-round lead at the CN Canadian Women’s Open outside Vancouver. Tseng leads by one over 2012 U.S. Women’s Open champion Na Yeon Choi. It marks the first time that Tseng has led or co-led at the end of a round since she shared the third-round lead with Karin Sjodin at the Kraft Nabisco Championship back in March.

In the midst of a few years that haven’t yielded the most positive results for Natalie Gulbis on the links, she has only one focus for the remainder of the 2012 season. Golf.

The Symetra Tour will head north to Maryland next week for the final event of a six-week stretch for the inaugural Challenge at Musket Ridge.