31/01/2015 Lydia Ko becomes the youngest number one
Lydia Ko to become youngest number one ranked female golfer
리디아 고, 최연소 세계랭킹 1위
Ko reacts to becoming Rolex Rankings Number 1
Lydia Ko became the number one ranked woman professional golfer at only 17 years, which makes her the youngest golfer to be ranked number one in professional golf. She also became the youngest golfer to win a major championship, the youngest golfer to win a professional golf tour event and the youngest person to win an LPGA Tour event.