They were at 13-under 206 heading into the final round at the Bro-Balsta course, where Sorenstam began playing golf at age 12. Sorenstam eagled the first hole, a long par-5, and led for most of the day. She had five birdies and three bogeys.
'My round was a little bit up and down,' said Sorenstam, the official tournament host. 'So I have to work on getting rid of the bad parts of my game -- that will be the key.'
Ochoa, who is ranked second in the world behind Sorenstam, had four birdies in her bogey-free round.
'It will be a day to remember tomorrow,' Ochoa said. 'I always try to learn things from Annika. She knows how to play on this course. I must try to get more birdie chances during the last day. You need a good start.'
Suzann Pettersen, who shot a 68 with five birdies and no bogeys, trailed the leaders by two strokes. Gwladys Nocera, the Ladies European Tour money leader from France, was another shot back after a 71.
Laura Davies shot a 66 -- one stroke off Ochoa's course record set Friday -- to move within five strokes of the leaders. She's tied with Catriona Matthew (67) and Veronica Zorzi (70) at 211.
Davies eagled the opening hole, but made a triple-bogey 7 on No. 5.
'I tried to drive the ball with a little fade to reach the green, but it went into the trees,' Davies said. 'Unfortunately, they found my ball. My provisional ball hit the green.'
Davies made four straight birdies from the ninth hole.
'I putted well today, that's the big difference. I think I had 28 putts and that's much better than earlier in the week,' Davies said.
Sherri Steinhauer, who won the British Open last week, had a 74 and was tied for 24th.
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