India's Rohit Sharma and Virat Kohli stamped their authority with a double-century stand before Steve Smith and George Bailey upped the ante with a 242-run partnership to complete the highest ever successful one-day chase at the WACA.
Australia make big chase look easy
George Bailey and Steve Smith hit centuries as Australia chase down 309 against India at the WACA.
In an age of big bats and 100-plus strike rates, totals of more than 300 are no longer a mental barrier for chasing sides, so when India posted 3-309 and the hosts lost openers Aaron Finch (8) and Dave Warner (5) early, Australia's first and second drop did not panic.
From the moment Smith (149 from 135 balls) and Bailey (112 from 120) joined each other in the fifth over, they had few objectives other than turning the strike over and milking singles.
Their stand was the highest against India, the fourth most profitable in Australia's ODI history, and the third highest for the third wicket in all matches.
The resounding five-wicket victory was finished by James Faulkner - bizarrely with a single to long-on - with Mitch Marsh (12 off 13) at the other end, but it could have panned out differently had the BCCI not continued their obstinate opposition to DRS.
On his first delivery, Bailey tried to caress a ball around the corner to fine leg. There was a half-appeal for a caught behind, but there was no love from umpire Richard Kettleborough.
Hotspot showed a small deflection off Bailey's glove and had the technology been employed in the series – like it is in every non-Indian fixture – he would have been on his way for a golden duck.
Instead Bailey made the most of his good luck, composing his third one-day century.
Earlier, debutants Joel Paris and Scott Boland endured wicketless introductions to international cricket as Australia's depleted fast bowling stocks were thrust into the spotlight courtesy of a 207-run stand from Sharma and Kohli - the second highest Indian 50-over cricket partnership against Australia.
Between them, Paris (0-53) and Boland (0-74) served up 18 overs for 127 runs - hardly the start they would have envisaged on the most fast bowler-friendly deck in the country.
Sharma's century (170 from 162 balls) was one for the ages. He became the first Indian to score an ODI century at the WACA and took his tally of centuries against Australia to four from 19 innings.
His knock was only second to Dave Warner's 178 against Afghanistan for the highest score at Perth.
It is remarkable to think Kohli's innings of 91 was only the fourth highest in a match which featured more than 600 runs for just eight wickets.
The bounce and carry of the WACA pitch distorted the lack of pace in Australia's attack. No bowler broke the 140km/h mark, giving further credit to selectors' infatuation with speed.