Sam Kerr is applauding from the sidelines. She might not need to get on if Australia keep this up.

Back to the action and Caitlin Foord gets some space down the left but her cross is gathered by Canada keeper Kailen Sheridan.

The Irish have had 66.8% of the ball so far. It's been a good performance from the girls in green (wearing white).

Denise O'Sullivan finds Heather Payne with a nice reverse ball and she lifts in a cross towards the back post but Sinead Farrelly stabs it wide.

Sulaimon: The tournament needs co-hosts Australia to progress to the round of 16 just for the sake of it. Australia and Nigeria to qualify.

Image source, Getty Images

Another chance for Canada who win their first corner.

The crowd go silent, but then roar back into life as the set-piece is easily cleared.

Canada have a wide free-kick but there's a communication error and a wayward cross goes straight out for a goal kick.

The Australian defenders are loving this, applauding each other, getting the fans to raise the noise level.

Image source, Getty Images

A very dangerous Irish attack with a brilliant surging run and through ball from Denise O'Sullivan but they can't make it count.

Nigeria captain/goalkeeper Chiamaka Nnadozie drops Megan Connolly's lofted free-kick into the mixer but recovers before any Irish player can pounce.

Anita Asante
Former England defender on BBC Two

You can just see how well organised and disciplined this Australian side are.

They are making it really difficult for Canada to play the ball through the thirds.

Canada are unable to get their full backs, Lawrence and Riviere, up the pitch and into forward areas.

Emma Smith
BBC Sport at Melbourne Rectangular Stadium

Australia have started brilliantly, the crowd are up and the good feeling is back.

However, against both Republic of Ireland and Nigeria, they allowed that to slip by stepping off the gas after taking the lead. They can't do that against strong opponents here.

Canada are enjoying their best spell of possession but Australia are incredibly disciplined in defence.

Two solid banks of four are behind the ball with strikers Caitlin Foord and Mary Fowler quick to close down.

Vera Pauw is deep in thought on the Irish bench. There is a growing feeling in Ireland that this could be her last game in charge.

Image source, Getty Images

A warning from Canada as Adriana Leon drifts inside on to her left foot and curls a shot just wide of the far corner.

She had Jessie Fleming available in plenty of space on the overlap.

Nigeria should be ahead. Louise Quinn's misplaced pass gives the ball to the Nigerians and star striker Asisat Oshoala speeds away and flashes a shot just wide of the far post.

A let-off for the Irish.

Anita Asante
Former England defender on BBC Two

Canada have to do better defensively here.

They are just allowing players to run across the front of them in the box.

Steph Catley and Hayley Raso combine again and it's so nearly 2-0 Australia.

Rasso places her shot into the corner but is denied by a superb diving save from Canadian stopper Kailen Sheridan.

Fingertips.

Andy Gray
BBC Sport NI at Brisbane Stadium

There was a big cheer when Ireland were just knocking the ball about in the middle of the park.

Now we know why. News is filtering through of Australia's goal.

Game on!

As things stand, Australia and Nigeria are heading through. Canada are out.

Anita Asante
Former England defender on BBC Two

Image source, Getty Images

I was sure that it was offside - Buchanan steps up at the last moment as Catley runs forward. But maybe the centre-half Gilles is playing her onside in the middle.

A great calm and composed finish from Raso. Low and hard and very difficult for the keeper to get down to make the save.

Canada need to get tighter to players, too much space all round for Australia's front line.

It is actually a very dangerous corner, albeit from Megan Connolly, and Nigeria keeper Chiamaka Nnadozie claws it away from her own line.