Annika Sorenstam and Lorena Ochoa shot 4-under par 69s on Saturday to share the third-round lead at the Scandinavian TPC.
They had 13-under 206 totals going 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. The Swede had five birdies and three bogeys.
"My round was a little bit up and down," said Sorenstam, who is 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."
Trailing the leaders by just two shots was Suzann Pettersen -- like Sorenstam a member of Europe's winning Solheim Cup team in 2003. The Norwegian shot a 68 with five birdies and no bogeys.
Gwladys Nocera, the Ladies European Tour money leader from France, was another shot back after a 71.
Former four-time major winner Laura Davies of England shot a 66 -- just one stroke off Ochoa's course record set Friday -- for the best score of the day and moved into contention with a 211 total. Also on that figure were Catriona Matthew (67) of Scotland and Veronica Zorzi (70) of Italy.
Davies eagled the opening hole, but made a triple bogey 7 on the fifth hole.
"I tried to drive the ball with a little fade to reach the green, but it went into the trees," Davies said.
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," added Davies, who shot a 75 in the second round.
American Sherri Steinhauer, who won the British Open last week, fired a 74 for a 218 total and was tied for 24th.