Lydia Ko celebrated her 17th birthday with her third LPGA Tour win.
The Kiwi teen won the inaugural Swinging Skirts LPGA Classic just outside of San Francisco by two shots over former world No. 1 Stacy Lewis and Jenny Shin.
Ko began the day one back of Lewis, but her final round of 3-under 69 was good enough to take the lead at Lake Merced Golf Club and pick up the win with a 12-under total. A closing birdie secured Ko's first LPGA Tour win as a pro.
The victory is Ko's first this season, coming the same week she was named to Time Magazine's 100 Most Influential list. This also marks the second LPGA event Ko has won, with her two prior wins coming at the erstwhile CN Canadian Women's Open as an amateur in 2012 and '13.
With the win, Ko is projected to become the second-ranked player in the world when the new Rolex Rankings are released on Monday.