The Proteas will take their time to name a replacement for retired Proteas skipper Graeme Smith.
Proteas Test captain Graeme Smith will retire after the current Test series against Australia.
The Aussies were set 448 for victory after Graeme Smith declared on 270 for 5 before lunch.
Hashim Amla finished the third day within seven runs of his 21st Test century.
Proteas skipper Graeme Smith says the Centurion pitch will make for an exciting first Test.
Graeme Smith will nurse his ankle and rest for the upcoming Test series against Australia.