PEBBLE BEACH, Calif. (AP) — Allisen Corpuz became the first American in 20 years to make the U.S. Women's Open her first LPGA title, closing with a 3-under 69 on Sunday and handling her historic moment at Pebble Beach as if she had been there before.

Corpuz, a 25-year-old from Hawaii, pulled away with a big par putt and back-to-back birdies on the back nine to enjoy the most scenic walk in golf up the 18th fairway, the Pacific Ocean on her left and her place secured as the first U.S. Women's Open champion at Pebble Beach.

She won by three shots over Charley Hull (66) and Jiyai Shin (68) and claimed the $2 million prize, the richest ever for an LPGA major champion.

Corpuz was so calm and cool on the grandest stage in women's golf, regardless of the shot or the circumstances, until reality hit as she walked toward the 18th green with a three-shot lead in hand. She wiped away tears with her Aloha-print towel when it was over.

Hilary Lunke in 2003 at Pumpkin Ridge was the last American to get her first win at the U.S. Women's Open, that one in a three-way Monday playoff.

Corpuz never gave anyone much of a chance. Nasa Hataoka lost her one-shot lead on the opening hole when Corpuz hit her approach to 5 feet for birdie, and the 24-year-old from Japan dropped too many shots down the home stretch.

Corpuz, who finished at 9-under 279, was the only player to break par all four days.

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