Aus 105-5published at 18.3 overs
Need 14 off 9 balls
Stoinis pushes into the off side for a single.
Australia win with two balls to spare
Smith 35 (34), Stoinis 24* (16)
South Africa 118-9: Markram 40 (36)
Hazlewood 2-19, Zampa 2-21
First match of Super 12s, Group 1
Australia won toss, Abu Dhabi
England v W Indies, Dubai, 15:00 BST
Kal Sajad
Need 14 off 9 balls
Stoinis pushes into the off side for a single.
Need 15 off 10 balls
Marcus Stonis drills the ball back down the ground and his Delhi Capitals team-mate Anrich Nortje sticks his hand out but can't hold on. Stoinis takes two runs.
Need 17 from 11 balls
Full toss from Anrich Nortje as Wade takes a single. It was there to be hit.
Need 18 from 12 balls
Stoinis is putting power into his shots but can't find the gaps as a single bring up Australia's 100.
Wade releases his arms at a full and wide delivery from Pretorius, but it's only one more.
Six singles and a wide from the over. Australia need a boundary.
Need 20 from 14 balls
The batters exchange singles. Wade is hopping about his crease and ramps to short third man for one more.
Target 119
Dwayne Pretorius returns to the attack. He bowls wide of off stump and Stoinis moves across his crease and whirls his bat like a helicopter blade to take a single down to long-on.
Pretorius can't quite execute a slower ball which is signalled wide. South Africa can't afford those!
Isa Guha
Former England bowler on BBC Test Match Special
It has just swung back in Australia's favour with those two boundaries.
Wade ramps it over short fine leg for four.
Two boundaries in the over for Australia, who now need 25 from three overs.
Close! So close! Matthew Wade drives uppishly and Aiden Markham - who took a sensational catch earlier - jumps forward at mid-off, the ball barely carries... and the result is four for Australia.
Australia need 36 from 24 balls. Kagiso Rabada, who has 1-17, comes on for his final over.
Target 119
'Oohs' and 'ahhs' as Stoinis looks extremely nervy playing Shamsi off the back foot. He then gets off the mark with a streaky single through square leg.
Shamsi's 50th T20 international wicket came in 43 matches, at an economy rate of 6.76.
Today, he finished with figures 1-22 - that important wicket of Maxwell has got his team right back in this game.
Need 37 from 27 balls
That wicket as Tabraiz Shamsi's 50th in T20 internationals. New batter Matthew Wade off the mark with a single. Stoinis yet to face a ball.
Stuart Law
Former Australia batter & West Indies coach on BBC Test Match Special
Australia are under pressure and that is what pressure does. Maxwell was playing his favourite reverse sweep and was yorked. It could be a nail-biting finish.
Maxwell b Shamsi 18 (Aus 81-5)
Now then!
We said how Glenn Maxwell liked playing the reverse sweep, but it's proven to be his downfall today as a Shamsi bowls a full, straight delivery which clatters into the stumps.
This game is far from over!
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Target 119
Marcus Stoinis the new man in. He only just returned from injury at the back-end of the IPL. Will he be rusty?
Jonathan Agnew
BBC cricket correspondent on Test Match Special
Is it too late? You never know.
Carlos Brathwaite
West Indies all-rounder on BBC Test Match Special
This is a catch of the tournament contender in the first Super 12s game.
Smith c Markham b Nortje 35 (Aus 80-4)
Terrific catch by Aiden Markram brings an end to Steve Smith's knock.
Smith pulls Nortje and Markram makes good ground to his right at long-on, dives full stretch and takes the grab with both hands. Superb work!