American Stacy Lewis won the HSBC Women's Champions in Singapore with a one-under final round of 71.
The world number three, winning her sixth career title, finished at 15 under, overcoming two bogeys to beat world number two South Korean Na Yeon Choi by a stroke.
Paula Creamer of the US, ranked 13th in the world, finished third at 13-under on 275.
Scot Catriona Matthew, ranked 12th, shot a final 70, to finish joint tenth.
England's Jodi Ewart-Shadoff, ranked world 134 and competing under her newly married name, finished joint 18th on 284 after a final-round 70.
The Taiwanese world number one Yani Tseng finished a disappointing week with a share of 28th after a final round of 74.
Second-placed Choi, on 72, was runner-up at the tournament for the second consecutive year. She lost to Angela Stanford in a four-player play-off last year.