Get involvedpublished at 18:38 British Summer Time 12 April 2017
Borussia Dortmund 0-2 Monaco
Helles Mammut: Monaco's first goal was a clear offside and changed the flow of the game.That Dortmund would break afterwards was to be expected
Monaco edge Dortmund in thrilling first-leg tie
Mbappe scores twice - the second with stunning finish
Dembele and then Kagawa hit back to give Dortmund hope
Monaco missed a penalty early in the first half
Tom Rostance
Borussia Dortmund 0-2 Monaco
Helles Mammut: Monaco's first goal was a clear offside and changed the flow of the game.That Dortmund would break afterwards was to be expected
Borussia Dortmund 0-2 Monaco
The next goal in the tie could be the biggie.
There was actually only one shot on target in the whole half - but it was more entertaining than that stat suggests...
Borussia Dortmund 0-2 Monaco
Bravo Monaco.
They really are a joy to watch when they get on the ball.
Dortmund have had chances though. No chance they are out of this tie.
Borussia Dortmund 0-2 Monaco
Are Dortmund physically or psychologically affected by the events of yesterday?
Who knows from here. I think they're just playing a very good side.
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Thomasholllern: Not seen Dortmund play this poorly all season. Heads just not in the game. Even the fans, usually so noisy seem subdued.
Ben: Monaco look the real deal and I think they could go all the way this year
Borussia Dortmund 0-2 Monaco
Bernardo Silva, a dream of a player, sends in Joao Moutinho into the area and he goes down under a challenge from Sven Bender - no penalty!
Borussia Dortmund 0-2 Monaco
Dortmund corner. Can they nick one before the break?
Nope.
Borussia Dortmund 0-2 Monaco
Monaco are a yard faster all over the park. Thomas Lemar ghosts in to win the ball in midfield and Matthias Ginter is late on him, going in the book as a result.
Borussia Dortmund 0-2 Monaco
Some bigwigs in the crowd tonight. Here we've got Hannelore Kraft, State Premier of North-Rhine Westphalia, German Football League (DFL) President Reinhard Rauball and President of the German Football Association (DFB) Reinhard Grindel cheering Dortmund on.
Or hoping to be, anyway.
Borussia Dortmund 0-2 Monaco
Can Dortmund recover from here then? That's two away goals conceded already. Plus a missed penalty for Monaco, who continue to impress.
Borussia Dortmund 0-2 Monaco
This Monaco attack has the ability to leave a defence twisted all over the place, and that's the only real explanation as Sven Bender has a moment to forget.
Andrea Raggi is allowed to cross from left-back, and he bends in a delicious cross into the middle, it's arcing in for Radamel Falcao to attack and Bender, facing his own net, throws himself at the ball and heads into his own net.
He appeals loudly for a foul. But there was nobody near him...
Sven Bender (OG)
Calamity!
Borussia Dortmund 0-1 Monaco
This is more like it from the hosts - Lukasz Piszczek stabs a pass through a crowded area and Ousmane Dembele clumsily bundles it wide - but the offside flag was up!
Borussia Dortmund 0-1 Monaco
This is as close as anyone has got to Kylian Mbappe so far. What a promising talent.
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Borussia Dortmund 0-1 Monaco
Chance! Best chance yet for the hosts as Matthias Ginter, doing a job at right wing-back tonight, puts over a lovely low ball and Shinji Kagawa screws it wide.
Eight yards out. Unmarked. Should score.
Borussia Dortmund 0-1 Monaco
A very late update this but Dortmund defender Sokratis Papastathopoulos was booked when conceding that early Monaco penalty, which was missed.
He is not on a booking but captains tonight are. Radamel Falcao and Marcel Schmelzer will miss the return leg if they see yellow.
Borussia Dortmund 0-1 Monaco
We've got some very animated managers on the sidelines. Gesturing aplenty.
The rain is starting to fall heavily now.
Borussia Dortmund 0-1 Monaco
Dortmund have indeed rallied after that shaky few minutes and now keep the ball neatly in a 30-yard box in the Monaco half. They are yet to test Danijel Subasic though.
Monaco were brilliant going forwards against Manchester City but conceded five times at the Etihad. They can be got at.
Borussia Dortmund 0-0 Monaco
There's a stoppage here as Thomas Lemar has a really heavy fall on his back. Dortmund just need to get a grip of themselves, they look porous at the back.