The United States women's football team got into the quarter-final place by beating New Zealand with 4-0 as they try to defend Olympic title.
Norway, who beat the US 2-0 last week, went down to a surprise 5-1 defeat by Japan and face a tough last-eight tie against 2004 silver medallists Brazil.
World Cup winners Germany will play with Sweden, while hosts China and Japan will contest the final quarter-final.
Faced with a must-win fixture, the US produced an assured performance to outclass their southern hemisphere opponents and top table Group G.
Heather O'Reilly opened the scoring in the first minute, with Amy Rodriguez doubling their lead before half time.
Lindsay Tarpley and Angela Hucles rounded off the scoring to give the Americans a confidence-boosting result ahead of the quarter-finals.
Norway - who had qualified for the last eight on Saturday - were soundly thrashed by Japan as Yukari Kinga, Shinobu Ohno, Homare Sawa, Ayumi Hara all hit the net, along with an own goal from Gunhild Foelstad.
A superb first-half hat-trick from striker Cristiane earned Brazil a 3-1 win over Nigeria, a result which propelled the South Americans to the top of Group F on goal difference.
Germany were made to work hard for their 1-0 by North Korea, with Anja Mittag scoring four minutes from full time.
China topped Group E courtesy of a 2-0 win over Argentina, while Sweden beat Canada 2-1 in the group's other match.
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