New Zealand's amateur golf star Lydia Ko

World No 1 amateur Lydia Ko has become the first New Zealander and the youngest golfer to win on the LPGA Tour.

Lydia Ko of Pinehurst School  at the Auckland Secondary Schools Strokeplay Golf, held at Pakuranga Golf Club on May 28. Photo / Brett Phibbs

Image 1 of 4: Lydia Ko of Pinehurst School at the Auckland Secondary Schools Strokeplay Golf, held at Pakuranga Golf Club on May 28. Photo / Brett Phibbs