Brazil defeated Equatorial Guinea 3-0 in Frankfurt to top Group D at the 2011 Women's World Cup, with maximum points.
After a goalless first half, Erika broke the deadlock on 49 minutes.
Cristiane then netted a brace with a strike on 54 minutes and a penalty three minutes in to time added on.
Next up for Brazil in the knockout stage is the USA on Monday morning (AEST) in Dresden.
Women's World Cup
Former Matildas coach Tom Sermanni, now at the helm of world No.1 women's football nation USA, believes Australia should be eyeing off a top four finish at the 2015 World Cup.