South Africa were reeling at 44-4 in the second semi-final of the 50-overs cricket World Cup against Australia when light rain stopped play at the Eden Gardens in Kolkata on Thursday.
Temba Bavuma's decision to bat first backfired as South Africa's top order was blown away by Mitchell Starc and Josh Hazlewood who claimed two wickets apiece.
Heinrich Klaasen and David Miller, both batting on 10, have a huge rebuilding job ahead of them when play resumes.
Bavuma had earlier elected to bat in overcast conditions and made a four-ball duck in the first over in what was a dream start for five-time champions Australia.
Australia bowled with exemplary discipline and amped up the pressure with their electric fielding, best illustrated when Pat Cummins back-pedalled and took a tumbling catch to dismiss opener Quinton de Kock in the sixth over.
India beat New Zealand in the first semi-final on Wednesday to book their place in Sunday's final in Ahmedabad.
Joao Cancelo and Joao Felix scored in each half to earn Barcelona a 2-1 comeback win at home against Porto on Tuesday that booked their spot in the Champions League knockout rounds for the first time in three seasons.
Manchester City's Julian Alvarez scored in the 87th minute as the European champions clawed their way back from two goals down to beat RB Leipzig 3-2 and clinch top spot in Champions League Group G on Tuesday with one round of matches remaining.
Glenn Maxwell's blistering century trumped India opener Ruturaj Gaikwad's unbeaten 123 as Australia clinched a last-ball victory in a thrilling third T20 International to stay alive in the five-match series on Tuesday.
Al-Nassr said their forward Cristiano Ronaldo "showed a great deal of sportsmanship" after he urged the referee in Monday's Asian Champions League game against Persepolis to reverse a penalty decision given in his favour.