Finch (63) and Stoinis (35) had a 70-run stand for the fourth wicket after the Aussies were left at 84/3 in the second half of the innings. Barry McCarthy (3/29) was the star of the bowlers for Irish
Stoinis reached his half-century in just 17 balls and finished with an 18-ball 59* much to the delight of the Australian fans at home. In this knock decorated by four boundaries and six sixes, he made a mockery of Sri Lankan bowlers including Lahiru Kumara, Wanindu Hasaranga, Maheesh Theeksh
With this win, Australia is in fourth position in the points table with 2 points, one place below Asian champions Sri Lanka, who are in third with two points.
The pacer becomes the first fast bowler to lead the Australian side in the 50-over format and only the second bowler after the late Shane Warne who led the team in the ODI's for 11 games in the nineties.
The batter was left out from the playing eleven of Australia's first T20I of the three-match series with the West Indies. The Aussie team went on to win the nail-biting match with three wickets to spare in the final over.