The opening 15 minutes, saw Argentina in total control of the game, kept more of the ball whiles Australia also looked good in terms of maintaining their shape in defence to curb all attacks mounted on them.
In the quest to searching for the opener, Lionel Messi picked up Papu Gomez on the right, cuts in beautifully but his effort went wide for a goalkick.
Just three minutes after, the Socceroos responded so quickly after Molina gave away a ball to McGree who sets up Aziz Behich in the box in what looked like a chance but was subsequently dispossessed by Romero for a goalkick.
Argentina grabbed the lead on the 34th minute, just what they kept on hunting for.
Lionel Messi's corner kick came back to him after it wasn't properly cleared initially, combined with a teammate to get into the box and plotted into the bottom left corner to put his side in front.
In the second half, Australia returned on a blistering note which nearly got them a goal after Emiliano Martinez nearly caused a blunder following a high pressing from Mitchell Duke.
Quick response just five minutes after as Lionel Messi was picked up by De Paul just at the edge of the box but his effort was a feeble one and went straight at goalkeeper Mathew Ryan.
The Albiceleste doubled their lead on the 56th minute through Manchester City forward Julian Alvarez who pounced on a howler from the goalkeeper to make it 2-0.
Lautaro Martinez's nearly made an instant impact after his introduction and nearly snatched their third but was dispossessed.
Substitute Craig Goodwin pulled one back for the Socceroos on the 77th minute after his shot deflected off Mollina to get into the net.
Australia broke again in a very dangerous attempt, Aziz Behich made a great run into the box but his effort was blocked hugely by Lisandro Martinez.
On the 88th minute, Lionel Messi broke again on s counter, picked up Lautaro Martinez on his left in a very huge opportunity but his effort went wide.
Garang Kuol came so close to getting the leveller but his effort was saved hugely by Emiliano Martinez and it finished 2-1 after full time.