Second Test, Gqeberha (day four of five)

South Africa 425-9 dec: Bavuma 179, Jansen 85; Boland 5-81

Australia 99 & 156-4: Head 87*; Rabada 2-30

Australia trail by 170 runs

Scorecard

Not since the Nottingham Ashes Test in 2005, Shane Warne's spin and watching Ashley Giles' leg glance from behind a cushion, had Australia been asked to follow-on in an away Test.

It had only happened to them on one other occasion anywhere in the world in 38 years.

But by being bowled out for 99 by South Africa in their first innings of the second Test, Australia matched those lows and handed their hosts an unlikely route to winning this Test and leveling the series.

Travis Head remains on 87 not out, but this was a calamitous day for the tourists as they conceded their biggest first-innings lead since 1984, before failing for the second time in the same day's play.

At 156-4 in their second innings they are still 170 runs behind and the Proteas now look likely winners with a day to go.

"There are a number of players…