90' Goal! Marco Reus extends Borussia Dortmund's lead to 3 - 0.
90' It's 3 - 0 as the referee blows for full-time.
90' Jacob Bruun Larsen instrumental with a fine assist.
90' Radamel Falcao (AS Monaco) goes for goal but the shot is blocked by an alert defence.
90' Borussia Dortmund push upfield but Aleksey Kulbakov quickly pulls them for offside.
90' 3 minutes will be added to the second half.
89' Youri Tielemans for AS Monaco drives towards goal at Signal Iduna Park. But the finish is unsuccessful.
89' AS Monaco's Radamel Falcao is whistled for offside at Signal Iduna Park.
86' Borussia Dortmund are too eager and fall into an offside trap.
84' Jadon Sancho, who was grimacing earlier, has been substituted. Maximilian Philipp is the substitute for Borussia Dortmund.
84' The match in Dortmund is underway once more.
83' Jadon Sancho is down and play has been interrupted for a few moments.
79' Jacob Bruun Larsen gets his shot on target but fails to score for Borussia Dortmund.
77' AS Monaco's Samuel Grandsir misses with an attempt on goal.
77' Leonardo Jardim (AS Monaco) is making a third substitution, with Nacer Chadli replacing Aleksandr Golovin.
72' Borussia Dortmund take a comfortable 2 - 0 lead thanks to Paco Alcacer.
72' That's a fine assist from Marco Reus.
71' Borussia Dortmund are coming forward and Jadon Sancho gets in a strike, it misses the target, however.
70' Borussia Dortmund are whistled for offside.
70' AS Monaco make their second substitution with Samuel Grandsir replacing Moussa Sylla.
69' A massive blow for Borussia Dortmund as Paco Alcacer misses from the spot.
68' Borussia Dortmund have been given a penalty at Signal Iduna Park...
65' Julian Weigl is replacing Thomas Delaney for Borussia Dortmund at Signal Iduna Park.
64' In Dortmund, Radamel Falcao (AS Monaco) gets his head to the ball but the strike is cleared by an untiring defence.
63' Borussia Dortmund's Marco Reus gets his shot away but it misses the target.
51' Goal! Borussia Dortmund have got their heads in front thanks to a Jacob Bruun Larsen strike.
51' Great play from Jadon Sancho to set up the goal.
46' Jacob Bruun Larsen is replacing Marius Wolf for the home team.
46' The second-half is underway at Signal Iduna Park.
45' The first-half is over.
45' Borussia Dortmund's Paco Alcacer has run offside.
45' 2 minutes of injury time will be added to the first half.
45' Danijel Subasic (AS Monaco) has replaced the possibly injured Diego Benaglio.
45' Play has been resumed.
43' Diego Benaglio is writhing in pain and play has been suspended for a few moments.
43' Borussia Dortmund's Marius Wolf misses with an attempt on goal.
40' Corner awarded to Borussia Dortmund.
40' Borussia Dortmund drive upfield and Marco Reus gets in a shot. The strike is blocked by a AS Monaco defender.
39' In Dortmund Borussia Dortmund drive forward through Marius Wolf. His shot is on target but it's saved.
39' Borussia Dortmund have been awarded a corner by Aleksey Kulbakov.
34' Moussa Sylla (AS Monaco) strikes at Signal Iduna Park but his header is cleared.
33' In Dortmund Borussia Dortmund attack through Paco Alcacer. The finish is off target, however.
25' Radamel Falcao for AS Monaco is whistled offside.
23' Borussia Dortmund have been awarded a corner by Aleksey Kulbakov.
21' In Dortmund, AS Monaco push forward quickly but are pulled up for offside.
20' AS Monaco are pushing forward but Benjamin Henrichs's finish is wide of the goal.
20' Corner awarded to AS Monaco.
20' AS Monaco's Youri Tielemans is on target but unsuccessful.
17' AS Monaco's Youri Tielemans gets in a shot on goal at Signal Iduna Park. But the effort is unsuccessful.
16' AS Monaco's Moussa Sylla breaks free at Signal Iduna Park. But the strike goes wide of the post.
11' Benjamin Henrichs for AS Monaco gets in a strike but fails to hit the target.
4' Borussia Dortmund's Axel Witsel gets his shot away but it misses the target.
4' In Dortmund Borussia Dortmund attack through Marius Wolf. The finish is off target, however.
1' The whistle has gone to start the match.
The official team line-ups are now available.
66099 spectators have come along to watch today.