Lieke Martens tries to play the corner on the ground to the edge of the box but gets it all wrong.

Caroline Weir comes out to intercept but she's got no support and Barcelona quickly win it back.

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Ellen White loses the ball on the edge of the City box but makes up for it, nicking it off Alexia Putellas before a shot is deflected behind for a corner.

Almost an immediate impact from Lieke Martens. She's played in by Marta Torrejon but Lauren Hemp races back to cover and shields the ball out of play for a goal kick.

That's bad news for Barcelona.

Caroline Graham Hansen is off. On comes Lieke Martens. Not a bad substitution to make...

Asisat Oshoala beats Alex Greenwood for pace on the right, gets along the byline and tries to cut it back into the middle.

Keira Walsh is in the right place to intercept and hoof it away.

Caroline Graham Hansen has gone down off the ball for Barcelona and needs a bit of treatment.

Lucy Bronze gets forward to link-up with Chloe Kelly on the right. It's slipped inside to Sam Mewis, she flicks it over the top for Ellen White but she's offside.

Nice move. Kelly and Lauren Hemp on the opposite wing are a constant threat for City.

What a chance that was for Man City...

Frantic start to the second half.

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Chloe Kelly strikes it hard but it's down the middle and Sandra Panos reads it.

She gets two strong hands to it and pushes it over the bar.

Brilliant by Lauren Hemp!

She picks the ball up on the left, skips inside, beats one, then two players, and is caught in the box.

Penalty to Man City!

City really need a goal to take into the second leg. They looked dangerous on the occasions they did get forward in the first half.

Asisat Oshoala the root of City's problems today.

Sloppy, sloppy, sloppy.

Demi Stokes takes a wild swing at the ball, kicking Asisat Oshoala in the box.

Penalty. Clear as day.

Man City are pressed deep into their half. Alex Greenwood is forced to go long. Ellen White is beaten to the header.

It falls for Caroline Graham Hansen, who threads it through to Asisat Oshoala in the box.

She's got all the time and space in the world - kept onside by Greenwood - but as she turns to shoot, Abby Dahlkemper comes across to make a last-ditch block. Let off!

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Sulaimon: Manchester City has a long way back but it is possible. That was a brilliant strike from Oshoala.

Chloe Kelly links up with Sam Mewis and the American tries to flick it on but doesn't get a hold of properly.

Lauren Hemp then cuts inside off the left, looks to have been fouled but looks behind her for support anyway.

Worth pointing out that Esme Morgan isn't a left-back and was up against one of the best players in the world in Caroline Graham Hansen in that first half. It was a challenge! Morgan is still only 20. Valuable experience.

Back under way for the second half. Any response from City?

Demi Stokes is coming on for Manchester City. Great news for them as she's been missing through injury for a few weeks. It's young Esme Morgan who goes off.

Here come the players!

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The good news for City is that they are ONLY 1-0 down given how poorly they have played so far.

Do you expect to see any changes from Gareth Taylor at half time? I wouldn't be surprised to see Rose Lavelle come on at some point - a player who is technically very good and can hold the ball up under pressure.