Glenn Maxwell said he had "freedom" to attack after delivering a stunning century to guide Australia past England in the third ODI.
With Australia chasing 303 for victory in Manchester on Wednesday, Maxwell arrived at the crease with the tourists reeling at 73-5 in the series decider.
But Maxwell (108 off 90 balls) and Alex Carey (106 off 114) combined for a 212-run partnership as Australia reached the target with two balls to spare.
Maxwell, who scored his second ODI century and first since 2015, said he felt free to play his aggressive game with Australia in such a poor position.
"I was probably thinking that we haven't got much to lose so I had a bit of freedom I suppose to try and take the bowling on and put a bit more pressure on them," he told reporters.
"I thought if I could make the most of that short boundary as much as I could early on and just back my bat swing. There was a fair bit of a breeze heading that way as well so I just tried to get it up in the air and I was able to get a couple pretty clean early on in the innings and then hopefully start to build a partnership with Alex.
"I knew once I started to get into the innings they would start to bowl a bit differently to me and I might be able to cash in on some loose balls, but everything pretty much went to plan.
"The way our partnership built was outstanding so it was good fun out there and I'm really happy to get that result."
Jonny Bairstow's 112 had earlier helped England to 302-7 after they elected to bat first at Old Trafford.
England captain Eoin Morgan accepted Australia were simply too good for his side.
"We were still in the game. When you break big partnerships and the ball is offering a bit, you're never out of the game," he said.
"But Australia were too good for us … we were right in the game but Carey and Maxwell played outstandingly well."
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