Amy Anderson and Sandra Changkija shared the first-round lead at seven-under 65 on Thursday in the LPGA Tour’s Cambia Portland Classic.
In warm, calm afternoon conditions, Anderson had five consecutive birdies on the front nine in her bogey-free round at Columbia Edgewater.
Changkija, playing in the morning, made six birdies on her opening nine and reached 8 under before finishing with a bogey.
Minjee Lee is the best-placed Australian after carding 68 to be three shots from the lead.