Dylan Pietsch scores first try on three minutes before Cian Prendergast responds. Jock Campbell and Josh van der Flier exchange tries.
Jeremey Williams and Ryan Lonergan put Australia ahead as Jamison Gibson-Park crosses before break
Hugo Keenan's try edges Ireland infront and Tate McDermott puts hosts ahead once again, but Thomas Clarkson crosses in final five minutes
Fiji 24-39 Wales (FT)
South Africa v England (16:40)
Argentina v Scotland (20:10)
Live Reporting
Andy Gray
The final whistlepublished at 13:44 BST 4 July
13:44 BST 4 July
FT: Australia 31-33 Ireland
Image source, Getty Images
Well, that's all from us for now. Thanks for joining us.
It was a big win for Ireland in Sydney as they somehow snatched victory, and you can read Matt Gault's report from the game here.
Keep an eye on the BBC Sport app and website for more reaction, and looks out on BBC Sounds for the Ireland Rugby Social podcast with Conor Murray and James Hume.
Conor Murray Former Ireland scrum-half on BBC Radio Ulster
I think the Nations Championship is really good for the viewers because it's an actual competition now and it means maybe slightly more than a regular summer tour.
The viewers are going to be treated to full-strength teams going at it, whereas sometimes at the end of season, it just peters out and players get rested.
Based on what we saw today, we're going to be treated to a nice bit of rugby entertainment over the next few weeks.
'Plenty to do and plenty to work on'published at 13:34 BST 4 July
13:34 BST 4 July
FT: Australia 31-33 Ireland
Ireland boss Andy Farrell speaking after the win:
"That was some game, especially for the neutral!
"Some great tries and I thought Australia were awesome in the first half and we needed to come to the party a little bit more and I think we did that after the break.
"Wow, there were so big moment for us tonight. Hugo Keenan's tackle, he deserves something special when you are fighting like that and Sam Prendergast to have the calmness to convert that try.
"We got over the line in this match but there is plenty to do and plenty to work on."
If that's the last time Joe Schmidt takes on Ireland, then what a game to go out on.
Schmidt, who had a trophy-laded spell with Ireland before he handed the keys to Andy Farrell after the 2019 World Cup, will leave Australia later this summer and hand over to Les Kiss.
We called it at half-time and whatever was said in the changing room worked! The group haven't been together long but they wouldn't use that as excuse.
That's been a proper, proper test match and Ireland have come out on top after some serious pressure.