Themba Zwane opened the scoring for Mamelodi Sundowns after receiving a pass from Jose Ali Meza in the 27th minute.
Ali Meza was again instrumental as the Brazilians doubled their lead, this time courtesy of a Katjiukua own goal on the stroke of half-time.
As things stand, Sundowns look on course to collect the three points and move closer to the top of the PSL log.