PORTLAND, Or. — Teenager Brooke Henderson is a winner on the LPGA Tour.

In what has been a season of firsts for the Canadian, the 17-year-old Henderson added another milestone to her list of accomplishments Sunday with her first victory on the LPGA Tour at the Cambia Portland Classic. Henderson won by eight strokes at 21-under par.Henderson carded a final round 3-under par 69 that included five birdies and two bogeys.

Henderson Monday qualified for this week’s event by shooting 68 to earn one of two spots in the field. With her win on Sunday, she becomes just the second player to Monday qualify and go on to win, the first being Laurel Kane at the 2000 State Farm Rail Classic. She also now owns the 72-hole scoring record at the Cambia Portland Classic at 21-under par with a total of 267, a record previously held by Suzann Pettersen, who won in 2013 at 20-under par for the championship.

The victory is a historic one for Henderson who becomes just the third player to win on the LPGA Tour before the age of 18, joining impressive company with World No.2 Lydia Ko and major champion Lexi Thompson. Henderson is the 23^rd non-member to win on the LPGA Tour, the last being Q Baek who captured the LPGA KEB-HanaBank Championship in 2014.

Henderson’s victory marks the first for a Canadian on the LPGA Tour since Lorie Kane in 2001. Currently ranked 32^nd in the Rolex World Golf Rankings, Henderson is the top ranked Canadian ahead of next year’s Olympic games in Rio. She returns home to Canada next week where she is already in the field at the Canadian Pacific Championship.