South Africa’s hopes of reaching their first final looked in tatters when they were reduced to 24 for four at the start of a superb bowling performance from Australia’s renowned pace trio, Starc and Cummins finishing with three wickets apiece, while Josh Hazlewood claimed stingy figures of two-for-12 from his eight overs. David Miller’s century, however, dragged the Proteas to a competitive total to set up a nervy chase.