Australia and United States progressed from the Women's World Cup's group of death on Tuesday, while Cameroon edged out Switzerland with a comeback.
USA defeated Nigeria 1-0 to top Group D, while Australia held on for a 1-1 draw with Sweden to finish second and automatically progress to the round of 16.
While Sofia Jakobsson equalised 10 minutes later, Australia survived Sweden's increasingly desperate attacks to reach four points in the group's standings, with the USA (7) in first position.
The results left Sweden third with three points, meaning Pia Sundhage's side will need to wait and see if they finish in the top four third-placed teams to reach the last 16.
In the other match in Group C, Switzerland gave up a half-time lead as Gabrielle Onguene struck a minute after the break before Madeleine Ngono notched the winner in the 62nd minute in Cameroon's 2-1 win.
Sweden (3, +0) await the results of Wednesday's games for their fate to be decided.
With USA - the 2011 runners-up, 2011 semi-finalists Sweden, Asia's second-best side and the African champions drawn together - Group D quickly took on 'group of death' status in Canada.
USA only needed a draw to advance but accounted for Nigeria thanks to Abby Wambach's volley just before half-time.
