Lydia Ko won the Swinging Skirts LPGA Classic in San Francisco on Sunday. 
 
The 17-year-old South Korean-born New Zealander carded a two-under par 70 in the final round to finish 72 holes tied with Morgan Pressel at eight-under par 280.
 
Sunday was the second straight Swinging Skirts LPGA Classic victory for Ko, who is ranked number one in the world.
 
With Sunday's win, Ko secured her seventh LPGA Tour title.
 
South Korea’s Kwak Min-seo finished fourth after scoring six-under par. Fellow South Koreans Jang Ha-na and Amy Yang jointly finished sixth while Lee Mirim and Kim Sei-young tied for ninth place.