Proteas bowling coach Piet Botha has urged the team to stay patient as they go in search of the remaining eight wickets to wrap up victory against Pakistan in the second Test at Newlands.
Corbin Bosch continued his dream debut and Aiden Markram top-scored as the Proteas continue to hold the edge over Pakistan after the second day of the first Test in Centurion.
Day two of the first Test between South Africa and Sri Lanka at Kingsmead, Durban, saw the hosts dominate with the ball.
South Africa wrapped up the second Test and the series 2-0 with a best-ever innings and 273 victory over Bangladesh in Chattogram on Thursday.
Proteas' seamer Kagiso Rabada picked up match figures of 9 for 72 as South Africa defeated Bangladesh by seven wickets in Mirpur on Thursday.
A fightback from the Bangladesh lower order has kept the first Test alive against the Proteas in Mirpur.