Australia are hanging on by their fingernails. Forced to follow on for the first time in five years, humiliated for 99 in their first dig, and now staring down the barrel at 156/4 still 170 agonising runs short of making South Africa bat again. The visitors’ hopes of escaping St George’s Park with the series lead intact rest almost entirely on Travis Head’s shoulders, and even his unbeaten 87 might not be enough to stave off the inevitable.

Also read: Australia follow on as Jansen rips through batting line-up

It’s been a masterclass in seam bowling, aggressive captaincy and ruthless execution. And Australia, so dominant in Durban just a week ago, have been utterly dismantled.

Rabada’s crucial strikes

Kagiso Rabada knows exactly how to exploit fragile batting line-ups, and he delivered when it mattered most.

Nic Maddinson fell cheaply for the second time in the match, nicking off to Rabada early in the second innings. The opener has endured a nightmare debut, two failures against South Africa’s pace attack, and his spot for Cape Town must be in serious jeopardy.

Later, Rabada returned to bowl Matt Renshaw, the first-Test hero who couldn’t replicate his Durban heroics. That dismissal left Australia wobbling, still miles short of safety.

Rabada’s two wickets might not grab headlines like Jansen’s five-for, but they were perfectly timed strikes that kept South Africa in control.

Harmer breaks the stand

Just when Australia seemed to be stabilising, Simon Harmer delivered the critical breakthrough. Travis Head and Marnus Labuschagne had added 92 for the second wicket, a partnership that threatened to drag the match into day five with Australia still in the contest.

Labuschagne went for the big shot, miscued, and Marco Jansen, of course, completed a superb running catch from mid-on as the ball hung in the stiff St George’s Park breeze.

Smith’s injury concern

Steve Smith’s absence from the second innings is a massive worry for Australia. The former captain battled to 28 in the first dig whilst clearly struggling with a neck issue, requiring treatment twice during his innings.

He didn’t come out to bat second time around, and was later seen in the players’ area wearing a neck brace. If Smith is unavailable for Cape Town, Australia lose not just their best batter but their most experienced campaigner.

Head coach Andrew McDonald remained diplomatic when asked about his side’s collapse.

“It’s only a week ago we were a really good team,” McDonald said, referencing the 214-run victory in the first Test. “I’m not going to hang anyone out to dry.”

But McDonald did confirm that Josh Inglis and Cameron Green, who missed the first two Tests, will both be available for selection in Cape Town. Changes are coming, and they need to be. This batting performance was unacceptable.

Head’s defiant stand

Amidst the carnage, Travis Head has been magnificent. Unbeaten on 87. Head doesn’t do survival batting, he takes the attack to the bowlers, forcing them off their lengths and disrupting their plans.

But even Head knows the mountain he’s climbing.

“Travis is still there and we know he can hit a hundred off 50 balls,” Marco Jansen acknowledged. “We know there is a possibility we will have to bat again but we’re going to put all our focus and effort on making sure that doesn’t happen.”

That’s the reality Australia face. Head can play the innings of his life, but unless he gets serious support from the tail and lower order, it won’t be enough. South Africa need six more wickets. Australia need 170 more runs just to make the hosts bat again. The odds are brutally stacked.

One more day. That’s all South Africa need to level this series and set up a winner-takes-all showdown in Cape Town next week.