Christine Sinclair scored two second-half goals Saturday to help Canada beat South Africa 3-0 in women's Olympic soccer while Cristiane scored an 86th-minute goal Saturday to give Brazil a 1-0 win over New Zealand.
Sinclair scored in the 58th and 86th minutes at the City of Coventry Stadium after Melissa Tancredi had given Canada the lead in the seventh minute.
Canada is third in Group F with three points, one point behind both Japan and Sweden. The two best third-place teams advance to the quarterfinals along with the top two teams in each group.
South Africa has zero points after losing its first two games.
Cristiane sent a high shot that just barely made it into the net as the New Zealand defense scrambled to stop it.
The win leaves Brazil with six points from two matches in Group E. New Zealand has zero points after its second consecutive 1-0 loss.
Brazil is trying to win its first major trophy in women's soccer.