Lake Merced Golf Club

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Lydia Ko, of New Zealand, hits out of a bunker up to the sixth green of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Lydia Ko of New Zealand, waves after making a birdie putt on the sixth green of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Hee Young Park, of South Korea, hits up to the 18th green of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Jenny Shin holds up her ball on the 18th green of the Lake Merced Golf Club after finishing the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Stacy Lewis reacts after missing a birdie putt on the 14th green of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Stacy Lewis chips the ball onto the sixth green of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Lydia Ko, of New Zealand, smiles while checking the wind direction on the third tee of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Lydia Ko, of New Zealand, follows her shot from the third tee of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Stacy Lewis hits from the fourth fairway of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Stacy Lewis, left, and Lydia Ko, right, of New Zealand prepare to hit from the third tee of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)