Top-ranked Inbee Park shot a 5-under 65 on Friday for a share of the second-round lead with playing partner Cristie Kerr in the Canadian Women's Open.
Park, the South Korean star who swept the first three majors of the season and has six LPGA Tour victories this season, had seven birdies and two bogeys at Royal Mayfair to match Kerr at 8-under 132.
Kerr, coming off the United States' loss to Europe in the Solheim Cup, shot her second straight 66. She won the Kingsmill Championship in May for her 16th career LPGA Tour title.
"It's a course where you have to really shape the ball off the tee and be creative," said Kerr, the 2006 winner at London Hunt in Ontario. "I played very well the last couple of days. It's unfortunate I bogeyed the last hole today, but that's what happens when you hit an errant shot and have to chip out to a difficult pin."
On the par-4 18th, Kerr drove into the left rough and was startled on her approach when a door on...