Centurion: South Africa entered their Test series against Australia as undisputed world champions in the five-day form of the game.


Dale Steyn (left), Graeme Smith and Faf Du Plessis (right) leave the field at the end of play after Day Three of the first Test. Pic/Getty Images 

But the crushing nature of their 281-run defeat in the first Test at SuperSport Park has raised the possibility that their era of dominance may be coming to an end.