Japan's Mao Saigo took advantage of a last-hole error from Ariya Jutanugarn to win her first major title at The Chevron Championship. Saigo birdied the 18th for the second time in quick succession to win a five-person play-off, after Jutanugarn had opened the door with a bogey on the same hole.

Saigo was the LPGA Tour’s rookie of the year last season. The Chevron was her first victory, and she became the first Japanese winner in the event.

Mao Saigo of Japan won the Chevron Championship on Sunday for her first major title, making a 3-foot birdie putt on the first hole of a five-way playoff. Saigo, 23, birdied the par-5 18th in regulation for a 2-under 74,