The first session of play on Day 4 saw no play because of a wet outfield.

When play was ready to start in the second session, Australia declared their first innings at 475/4, leaving Usman Khawaja stranded on 195*.

Dean Elgar received an early reprieve when Steve Smith's diving catch was ruled by the third umpire to have been grassed.

Elgar fell soon enough when he was bounced out by Josh Hazlewood.

Sarel Erwee shouldered arms to a Nathan Lyon delivery and lost his off stump.

South Africa's resistance came through a 48-run fourth-wicket stand between Temba Bavuma and Khaya Zondo.

Josh Hazlewood broke the crucial stand by having Bavuma caught behind.

Under fading light, Pat Cummins produced a thrilling display of fast bowling to leave South Africa six down for 149.