Sundowns, SAs only survivors following the first round of African club competitions, will next come up against Cameroons Cotonsport Garoua in the CAF Cup.
The Brazilians came back from a two-goal deficit in the first leg to take the game into a penalty shootout, which they eventually won 9-8.
Victor dos Santos and Hareaipha Marumo were the players who scored the crucial goals, and coach Roger Feutmba will be looking for more from the duo when they host the Cameroonians in Pretoria on the weekend of May 16-18.
Cotonsport, who top the log in the countrys premier league, reached the second round after beating Togos Maranatha de Fiokpo 4-2 in a penalty shootout.
South Africas hopes in this years continental club competitions now rest on the Brazilians shoulders after both Santos and Jomo Cosmos lost out in the first round.
The defending PSL champions lost 9-8 on penalties to Tanzanian club Simba, while Cosmos crashed 4-0 on aggregate to Costa del Sol from Mozambique.