Super-sub Alex Morgan came on in the second half, scoring a brace for the USWNT as they trounced New Zealand 5-0.
Seventeen years to the day since Brazil beat Australia 2-1 at the Sydney 2000 Olympics, the Matildas returned the favour in Newcastle with a 3-2 win.
A Lisa De Vanna wonder goal and a glancing Sam Kerr header turned it on for a sold-out crowd as the Matildas defeated Brazil 2-1 in Penrith.
Julie Ertz says her brace against New Zealand was for Kelley O'Hara, who became the 36th USWNT player to earn 100 caps.
Julie Ertz scored two goals in eight minutes to lead the United States past New Zealand in Denver.
Women's International Friendly: Alex Morgan (79') United States 3-1 New Zealand