Australia's frailty against swing bowling and their selection inconsistencies combined for a humiliating Gabba defeat last night.
Sri Lanka's pace attack embarrassed the hosts by routing Michael Clarke's full-strength team for a paltry 74 before chasing down the meagre target inside 20 overs with four wickets left.
The day-night match was finished at 6pm local time as a crowd of 20,271 traipsed home in broad daylight.
It would have been over much earlier, well before the scheduled tea break, if not for a rearguard last-wicket stand of 34 by tailenders Mitchell Starc and Xavier Doherty.
They were the only Australians to make double figures as the hosts were dismissed for their third worst total in 42 years of one-day cricket.