Tseng, who became the youngest golfer -- male or female -- in the modern era to win three majors, moved within 0.55 average points of No. 1 Jiyai Shin. Last week, Tseng was 2.31 points behind Shin.

Shin was followed by Cristie Kerr and Ai Miyazato, who flip-flopped spots from last week.

LaCrosse finished 54 holes on the East Course at Drumlins Country Club with a 12-under 201, beating Amelia Lewis by three shots.

The 23-year-old LaCrosse, who is a member of the LPGA Tour, won the Riviera Nayarit Challenge earlier this year.

Tseng managed a one-over 73 in the final round at Royal Birkdale, but it was enough for her third major championship title and fourth win in all. She finished at 11-under-par 277.

The 21-year-old become the youngest golfer -- male or female -- in the modern era with three major championship titles. She also won the 2008 LPGA Championship and earlier this season claimed the Kraft Nabisco Championship.

Tseng finished 54 holes at 12-under 204 at rainy, windy Royal Birkdale.

Katherine Hull, who shared the first-round lead with Tseng, rattled off five straight birdies to finish her round. The Australian shot a six-under 66 and is second at eight-under 208.

Tseng, a first-round co-leader, finished 36 holes at eight-under 136 at a rainy Royal Birkdale and is four clear of several players tied for second place.

Reigning LPGA Champion and former world No. 1 Cristie Kerr carded a five-under 67 and is tied for second place with Amy Yang and Brittany Lincicome, who both had 71s on Friday. The trio is knotted in second place at four-under-par 140.

Tseng and Hull both eagled the last hole to get to four-under par in the season's final major championship. Tseng was in the clubhouse for some time before Hull joined her atop the leaderboard.

Anne-Lise Caudal, Amy Yang, Brittany Lincicome and Sun Young Yoo are knotted in third place at three-under 69.

Shin birdied the 18th hole for a one-shot victory over three players, assuming the No. 1 ranking for the second time this season.

The 22-year-old South Korean is one of three players who have been No. 1 since Lorena Ochoa's retirement. Shin took over the top spot on the day Ochoa played her farewell round and still had it when she withdrew the Wednesday of the State Farm Classic to have an emergency appendectomy.

Shin, who won for the first time on the Duramed Futures Tour, closed with a three-under 69 to end at 11-under-par 205. She shared fourth place behind Joh last week.

"I guess it just hasn't set in yet," said Shin.

1 Jiyai Shin birdied the 18th hole Sunday to earn a one-shot victory at the Evian Masters, her seventh win on the LPGA Tour.

Shin made five birdies for a five-under 67, finishing the tournament at 14- under 274.

Pressel, who shared the first-round lead at Evian Masters Golf Club, finished 54 holes at 11-under 205 and is two strokes clear of former world No. 1 Jiyai Shin (68) and Jeong Jang (70).

Brittany Lincicome fired a seven-under 65 on Saturday and is tied for fourth place with Alexis Thompson, who posted a five-under 67. The pair is knotted at minus-eight.

Miyazato finished 36 holes on the Evian Masters Golf Club with a nine-under 135 and will carry a one-shot lead into the weekend over Ladies European Tour regular Gwladys Nocera.

Nocera birdied the 17th hole to tie Miyazato for the lead, then ended with a bogey at the 18th hole to shoot a 67 and fall one shot behind at eight-under 136.

M.J. Hur and Song-Hee Kim are a shot back at five-under 67, while Michelle Wie leads a group at four-under 68.

Defending champion Ai Miyazato, the world No. 1, opened with a three-under 69 to headline a large group that also includes Suzann Pettersen.

The two players are just about tied, with Miyazato holding a lead of 0.0006 average points over Kerr.

Kerr snatched the No. 1 ranking from Miyazato for three weeks after winning the LPGA Championship. Miyazato previously held the top spot for a week after her victory at the ShopRite LPGA Classic.

Joh sank an eight-foot birdie putt on the fourth extra hole, the 18th at Wintonbury Hills Golf Course. Mendoza drove in a hazard at 18, but earned her second runner-up finish of the season.

Joh, a two-time winner of the U.S. Women's Amateur Public Links Championships, picked up her first win on the tour.

Creamer vaulted up six places to seventh this week.

Cristie Kerr remained in first for the third week in a row, followed by Ai Miyazato.

Creamer earned her ninth LPGA Tour title and first major championship crown by closing with a two-under 69.

She was the lone player in red figures at Oakmont Country Club as she finished at three-under-par 281.

Creamer finished the third round Sunday morning and posted an impressive, one- under 70 at a difficult Oakmont layout. She is the only player under par and got through 54 holes at one-under 212.

Wendy Ward also had a 70 in round three and is second at plus-two.

Creamer was atop the leaderboard at minus-one and was three shots clear of Wendy Ward. Creamer, an eight-time winner on the LPGA Tour, is in search of her first major championship title.

Ward is also minus-one for her round and stands at plus-two through 17 holes of the third round.

Creamer posted a second-round, one-under 70 Saturday, while Yokomine managed her second straight 71. They were tied atop the leaderboard at even-par 142 with the third round set to begin in the afternoon.

The second round was halted Friday afternoon at Oakmont by heavy rain and lightning. Play resumed Saturday morning at 7:30 a.m. (et).

Sophie Gustafson birdied the first hole, her only hole on Friday, to move in front at even-par.

Cristie Kerr, the No. 1 player in the world and runaway winner of last month's LPGA Championship, shot an even-par 71 on Friday and moved into a tie for second at one-over 143.

Lang is not only searching for her first major championship title, but also her first win on the LPGA Tour.

Amateur Kelli Shean led by herself for over nine holes, but three-putted for bogey on the par-five ninth, her last, at Oakmont Country Club to slip to minus-one.

Kerr became the first American woman ranked No.

1 after he record-setting victory at the LPGA Championship, and only the fifth player overall to hold the top spot.

O'Toole and Buzminski both closed with rounds of seven-under 65 to move from a tie for fourth place into a share of the lead at 14-under 202. O'Toole birdied the last two holes in regulation, while Buzminski birdied the 18th.

Back at No. 18 for the playoff, O'Toole made a birdie to capture the win.

Her opponents in the playoff? Three players with the same name: Christina Kim, In-Kyung Kim and Song-Hee Kim.

Choi beat them all with a two-foot birdie putt on the second extra hole, building on the two titles she won last year.

Johnson, who carried a three-shot lead into the final round at Buenavista Golf Club, finished four rounds at 14-under 274 to beat Virginie Lagoutte-Clement of France by a stroke.

It was Johnson's 16th title on the Ladies European Tour.