Lydia Ko, 15, became the youngest winner in LPGA Tour history on Sunday when she won the Canadian Women's Open by three strokes.

"The last few holes, it got a bit nerve wracking," Ko said. "But Stacy Lewis, after my birdie on 15, she said, 'You know you can do it.' It was really great to have another player that I look up to giving me that much support. So it was really awesome."

Ko, a South Korean-born New Zealander, broke the age record of 16 set by Lexi Thompson last September in the Navistar LPGA Classic in Alabama. She is the LPGA's first amateur winner since JoAnne Carner in the 1969 Burdine's Invitational.

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