Australia's Katherine Hull won the Canadian Women's Open on Sunday for her first LPGA Tour title, taking advantage of Yani Tseng's final-round meltdown for a one-stroke victory at Ottawa Hunt.
The 26-year-old Hull, six strokes behind Tseng at the start of the round, shot a three-under 69 to finish at 11-under 277.
Se Ri Pak closed with a 72 to finish second, and Tseng's 77 left her two strokes behind at nine-under.
Tseng, the 19-year-old Taiwanese star who won the McDonald's LPGA Championship in early June and finished second two weeks ago in the Women's British Open, opened with rounds of 70, 64 and 68 to take a 14-under total into the final round. On Sunday, she had a double bogey, five bogeys and just two birdies.
Hull, the former Pepperdine star who second behind Meena Lee in the 2005 tournament at Glen Arbour in Nova Scotia for her best previous LPGA Tour finish, had four birdies and a bogey Sunday. She earned $US337,500. ($A390,400).
Top-ranked Lorena Ochoa, the 2007 winner at Royal Mayfair in Alberta, shot a 73 to tie for fourth with Sun Young Yoo (69) and Song-Hee Kim (70) at seven-under.
Michelle Wie, using the last of her six LPGA Tour exemptions this year, tied for 12th at three-under. She had rounds of 75, 70, 69 and 71.
The 18-year-old Stanford student said hasn't decided whether to go to Q-school in a bid to earn an LPGA Tour card.
"I feel like I gained a lot of confidence in myself again this year," Wie said.
"Being pain-free in the later part of the year, I started feeling confident. From May on, it's getting better and better and now in the offseason, I know what to work on for next year."
Annika Sorenstam, leaving the tour at the end of the season, had weekend round of 76 and 74 to tie for 21st at 2 over.
Lorie Kane was the top Canadian, finishing at 4 over. The 43-year-old from Charlottetown, Prince Edward Island, finished third in 2001 and fifth in 2004.
