PORTLAND, Ore. (AP) — Two-time champion Brooke Henderson birdied all four par-5 holes for a 7-under 65 on Thursday in The Standard Portland Classic, leaving the slumping ɫtv a stroke behind first-round leader Adela Cernousek.

Henderson of Smiths Falls, Ont., won the first of her 13 LPGA Tour titles in 2015 by eight strokes at Columbia Edgewater at age 17, and successfully defended the following year. Now 27, she's winless since January 2023 and has dipped to 52nd in the world.

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