Kailen Sheridan's punch isn't great, however Canada do manage to shepherd the ball away eventually.
Nigeria remain in the hunt for a first opening game win at the Women's World Cup since 1999.
Post update
Nigeria 0-0 Canada
Toni Payne lofts in a cross, aiming for a flick on.
It results in an almighty scramble, with the ball squeezed out for a corner.
YELLOW CARD
Nigeria 0-0 Canada
Kanu is immediately in the action, drawing a foul from Ashley Lawrence near the edge of the Canada area.
Lawrence is booked, and this is a good chance for Nigeria.
SUBSTITUTION
Nigeria 0-0 Canada
Canada want another penalty, as Jordyn Huitema's shot strikes the arm of a Nigeria defender. However the player was barely three yards away and her arm was by her side, the claim is waved away.
A first Nigerian change - Francisca Ordega off, replaced by Uchenna Kanu.
SUBSTITUTION
Nigeria 0-0 Canada
In the meantime, a double change for Canada. They have now made four subs, Nigeria are yet to make on.
It will not be history today for Christine Sinclair - having failed to score at a sixth World Cup after missing that penalty, she comes off, as does Jayde Riviere.
Sophie Schmidt and Allysha Chapman come on.
Post update
Nigeria 0-0 Canada
A slightly concerning moment for Nigeria, as stellar keeper Chiamaka Nnadozie needs a bit of treatment.
She's had her knee strapped up all game, and I think she's just getting some fresh tape applied.
Substitute Viens misses chance for Canada
Nigeria 0-0 Canada
Scott Booth
Lewes FC manager on BBC Two
That was a good chance for substitute Evelyne Viens. But it comes a little bit early for her as she’s only just come onto the pitch.
Post update
Nigeria 0-0 Canada
Nigeria have never been involved in a 0-0 draw at the Women's World Cup.
They may well take one now.
CLOSE!
Nigeria 0-0 Canada
Immediate chance for Viens!
She's played in by a good looped ball however cannot get in position for a proper shot on goal, instead simply poking the ball right footed into Chiamaka Nnadozie's hands.
More frustration for Canada.
SUBSTITUTION
Nigeria 0-0 Canada
A second change for the Canadians - Adriana Leon sprints off, no time to waste.
She is replaced by forward Evelyne Viens.
Nigeria improving after slow start
Nigeria 0-0 Canada
Scott Booth
Lewes FC manager on BBC Two
Nigeria are following a similar pattern to the first half. After the first 10 to 15 minutes of sitting deep they are starting to grow into the game again.
Post update
Nigeria 0-0 Canada
Half an hour to go. This game has reverted to its earlier state with Nigeria defending deep, inviting Canada on as the favourites attempt to find a breakthrough.
Asisat Oshoala again needs treatment after a bang on the head from Ashley Lawrence.
Post update
Nigeria 0-0 Canada
So, how do Canada respond to that disappointment.
They have a free kick in a good position wide on the left, which Adriana Leon fires at the near post to try and catch out the keeper.
It strikes the side netting only.
YELLOW CARD
Nigeria 0-0 Canada
The first booking of the game goes to Blessing Demehin, for a cynical tackle on Jordyn Huitema.
‘Sinclair denied from the penalty spot’
Nigeria 0-0 Canada
Steven Wyeth
BBC commentator
A really strong hand from the Nigeria goalkeeper Chiamaka Nnadozie to deny Christine Sinclair a milestone goal and Canada the lead. Sinclair will have to wait.
Post update
Nigeria 0-0 Canada
That was a dreadful penalty from Sinclair, it has to be said. No power, and not accurate enough to find the keeper's bottom left corner.
Nnadozie did what she needed to do, and also reacted well to palm the second ball away to prevent any chance of a rebound.
Delight for Francisca Ordega too, who had her hands on her face, distraught at giving away that spot kick. It needed VAR, but it was a silly foul and a definite penalty.
MISSED PENALTY
Nigeria 0-0 Canada
Christine Sinclair has the chance to make history, as the first person to score at six World Cups...
However her penalty is weak, and is saved by Chiamaka Nnadozie!
PENALTY
Nigeria 0-0 Canada
Finnish referee Lina Lehtovaara takes a look at the screen - and reverses her decision!
For the third successive match at the 2023 World Cup, we have a penalty.
Video Assistant Referee
Nigeria 0-0 Canada
Early penalty claim in the second half for Canada, as Christine Sinclair goes down under a slightly clumsy tackle from Francisca Ordega.
The referee waves it away - but is being called to the VAR monitor...
Live Reporting
Emma Smith
All times stated are UK
Post update
Nigeria 0-0 Canada
Kailen Sheridan's punch isn't great, however Canada do manage to shepherd the ball away eventually.
Nigeria remain in the hunt for a first opening game win at the Women's World Cup since 1999.
Post update
Nigeria 0-0 Canada
Toni Payne lofts in a cross, aiming for a flick on.
It results in an almighty scramble, with the ball squeezed out for a corner.
YELLOW CARD
Nigeria 0-0 Canada
Kanu is immediately in the action, drawing a foul from Ashley Lawrence near the edge of the Canada area.
Lawrence is booked, and this is a good chance for Nigeria.
SUBSTITUTION
Nigeria 0-0 Canada
Canada want another penalty, as Jordyn Huitema's shot strikes the arm of a Nigeria defender. However the player was barely three yards away and her arm was by her side, the claim is waved away.
A first Nigerian change - Francisca Ordega off, replaced by Uchenna Kanu.
SUBSTITUTION
Nigeria 0-0 Canada
In the meantime, a double change for Canada. They have now made four subs, Nigeria are yet to make on.
It will not be history today for Christine Sinclair - having failed to score at a sixth World Cup after missing that penalty, she comes off, as does Jayde Riviere.
Sophie Schmidt and Allysha Chapman come on.
Post update
Nigeria 0-0 Canada
A slightly concerning moment for Nigeria, as stellar keeper Chiamaka Nnadozie needs a bit of treatment.
She's had her knee strapped up all game, and I think she's just getting some fresh tape applied.
Substitute Viens misses chance for Canada
Nigeria 0-0 Canada
Scott Booth
Lewes FC manager on BBC Two
That was a good chance for substitute Evelyne Viens. But it comes a little bit early for her as she’s only just come onto the pitch.
Post update
Nigeria 0-0 Canada
Nigeria have never been involved in a 0-0 draw at the Women's World Cup.
They may well take one now.
CLOSE!
Nigeria 0-0 Canada
Immediate chance for Viens!
She's played in by a good looped ball however cannot get in position for a proper shot on goal, instead simply poking the ball right footed into Chiamaka Nnadozie's hands.
More frustration for Canada.
SUBSTITUTION
Nigeria 0-0 Canada
A second change for the Canadians - Adriana Leon sprints off, no time to waste.
She is replaced by forward Evelyne Viens.
Nigeria improving after slow start
Nigeria 0-0 Canada
Scott Booth
Lewes FC manager on BBC Two
Nigeria are following a similar pattern to the first half. After the first 10 to 15 minutes of sitting deep they are starting to grow into the game again.
Post update
Nigeria 0-0 Canada
Half an hour to go. This game has reverted to its earlier state with Nigeria defending deep, inviting Canada on as the favourites attempt to find a breakthrough.
Asisat Oshoala again needs treatment after a bang on the head from Ashley Lawrence.
Post update
Nigeria 0-0 Canada
So, how do Canada respond to that disappointment.
They have a free kick in a good position wide on the left, which Adriana Leon fires at the near post to try and catch out the keeper.
It strikes the side netting only.
YELLOW CARD
Nigeria 0-0 Canada
The first booking of the game goes to Blessing Demehin, for a cynical tackle on Jordyn Huitema.
‘Sinclair denied from the penalty spot’
Nigeria 0-0 Canada
Steven Wyeth
BBC commentator
A really strong hand from the Nigeria goalkeeper Chiamaka Nnadozie to deny Christine Sinclair a milestone goal and Canada the lead. Sinclair will have to wait.
Post update
Nigeria 0-0 Canada
That was a dreadful penalty from Sinclair, it has to be said. No power, and not accurate enough to find the keeper's bottom left corner.
Nnadozie did what she needed to do, and also reacted well to palm the second ball away to prevent any chance of a rebound.
Delight for Francisca Ordega too, who had her hands on her face, distraught at giving away that spot kick. It needed VAR, but it was a silly foul and a definite penalty.
MISSED PENALTY
Nigeria 0-0 Canada
Christine Sinclair has the chance to make history, as the first person to score at six World Cups...
However her penalty is weak, and is saved by Chiamaka Nnadozie!
PENALTY
Nigeria 0-0 Canada
Finnish referee Lina Lehtovaara takes a look at the screen - and reverses her decision!
For the third successive match at the 2023 World Cup, we have a penalty.
Video Assistant Referee
Nigeria 0-0 Canada
Early penalty claim in the second half for Canada, as Christine Sinclair goes down under a slightly clumsy tackle from Francisca Ordega.
The referee waves it away - but is being called to the VAR monitor...
KICK-OFF
Nigeria 0-0 Canada
We are back underway.