Japan's Mao Saigo won a five-way play-off to claim the Chevron Championship in Texas. -AP
Japan's Mao Saigo has made her maiden LPGA Tour win a major title, holing a three-foot birdie putt on the first hole of a five-way sudden-death play-off at the Chevron Championship.
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A joint overnight leader, Saigo, last season's rookie of the year, birdied the par-5 18th in regulation for a two-over 74, leaving her tied with South Korean Hyo Joo Kim, China's Ruoning Yin, Thai Ariya Jutanugarn and American Lindy Duncan.
They were tied at seven-under 281 at The Club at Carlton Woods in Texas.
Saigo won the the next time up the 18th after Yin and Jutanugarn had birdie tries lip out. Jutanugarn had bogeyed the 18th in regulation after stubbing her third short only inches.
It was another week of what might have been for Australia's two-time major champion Minjee Lee.
She started the day five shots from the lead but could only manage a 74, with four bogeys, as she tied for 14th, five strokes outside the play-off.
Lee has three top-10 finishes from eight starts this year and has repeatedly been in the mix going into the weekend only to falter.
Of the other Aussies, Steph Kyriacou shot a 72 and climbed to tied 30th at two over and fellow Sydneysider Cassie Porter (73) finished equal 40th at plus three on her major championship debut.
Gabriela Ruffels was a further shot back in joint 44th after closing with a 76.