90' It's 3 - 1 as the referee blows for full-time.
90' Arsenal FC have been awarded a corner by Xavier Estrada Fernandez.
90' Xavier Estrada Fernandez will wait an extra 2 minutes before blowing the whistle to end the second half.
90' In London, 1 FC Cologne push forward quickly but are pulled up for offside.
90' Leonardo Bittencourt (1 FC Cologne) is given an opening but the shot is blocked by a defender.
89' Alexis Sanchez of Arsenal FC gets in a strike, but is off target.
86' Jhon Cordoba of 1 FC Cologne is pulled up for offside.
83' The home team have replaced Theo Walcott with Reiss Nelson. This is the third substitution made today by Arsene Wenger.
82' Theo Walcott gets his shot on target but fails to score for Arsenal FC.
82' Hector Bellerin puts the ball in the net and the home team extend their lead. The score-line now reads 3 - 1.
80' Arsenal FC push forward at Emirates Stadium and Mohamed Elneny gets in a strike. This is blocked, however, by a determined 1 FC Cologne defence.
80' Corner awarded to Arsenal FC.
79' In London 1 FC Cologne drive forward through Milos Jojic. His shot is on target but it's saved.
77' Arsenal FC's Alexis Sanchez has run offside.
76' Peter Stoger is making the team's third substitution at Emirates Stadium with Yuya Osako replacing Lukas Klunter.
75' Alexis Sanchez for Arsenal FC drives towards goal at Emirates Stadium. But the finish is unsuccessful.
73' Corner awarded to 1 FC Cologne.
72' 1 FC Cologne drive forward and Jhon Cordoba gets in a shot. Without netting, however.
70' Arsenal FC push upfield but Xavier Estrada Fernandez quickly pulls them for offside.
69' In London 1 FC Cologne attack through Marcel Risse. The finish is off target, however.
68' The home team replace Alex Iwobi with Jack Wilshere.
67' Goal! Arsenal FC have got their heads in front thanks to a Alexis Sanchez strike.
65' Peter Stoger (1 FC Cologne) is making a second substitution, with Marcel Risse replacing Simon Zoller.
64' At Emirates Stadium, 1 FC Cologne are penalized for being offside.
61' 1 FC Cologne's Milos Jojic is on target but unsuccessful.
52' Arsenal FC's Alex Iwobi breaks free at Emirates Stadium. But the strike goes wide of the post.
49' Goal! The home team draw level at 1 - 1 through Sead Kolasinac.
48' Arsenal FC have been awarded a corner by Xavier Estrada Fernandez.
48' Arsenal FC drive forward at breakneck speed but are pulled up for offside.
46' Sead Kolasinac is replacing Rob Holding for Arsenal FC at Emirates Stadium.
46' The second-half is now underway.
45' 2 minutes of injury time will be added to the first half.
45' Xavier Estrada Fernandez blows to end the first-half.
45' Arsenal FC's Olivier Giroud goes close with his head but his effort is blocked.
44' Arsenal FC's Olivier Giroud gets in a shot but it is blocked by a 1 FC Cologne defender.
41' Corner awarded to 1 FC Cologne.
39' Olivier Giroud (Arsenal FC) wins the ball in the air but heads wide.
35' Milos Jojic (1 FC Cologne) has replaced the possibly injured Jonas Hector.
34' 1 FC Cologne’s Jonas Hector is on his feet again at Emirates Stadium.
32' Mohamed Elneny for Arsenal FC gets in a strike but fails to hit the target.
31' The match in London is underway once more.
31' The match has been stopped briefly for attention to the injured Jonas Hector.
30' 1 FC Cologne are caught offside.
29' 1 FC Cologne have been awarded a corner by Xavier Estrada Fernandez.
23' Arsenal FC's Theo Walcott gets his shot away but it misses the target.
20' Arsenal FC's Olivier Giroud goes close with his head but his effort is blocked.
18' In London, Arsenal FC push forward quickly but are pulled up for offside.
16' Arsenal FC advance rapidly upfield but Xavier Estrada Fernandez blows for offside.
15' Per Mertesacker (Arsenal FC) strikes at Emirates Stadium but his header is cleared.
15' Arsenal FC have been awarded a corner by Xavier Estrada Fernandez.
14' Olivier Giroud (Arsenal FC) gets in a strike but the shot is blocked by a defender.
13' In London 1 FC Cologne attack through Leonardo Bittencourt. The finish is off target, however.
13' Corner awarded to Arsenal FC.
12' Olivier Giroud for the home team is judged to be offside.
9' That's a fine assist from Leonardo Bittencourt.
9' Jhon Cordoba puts the ball in the net and the away team now lead 1 - 0.
5' Important block from the Arsenal FC defence as Matthias Lehmann fires in a strike for 1 FC Cologne.
1' The first-half is just kicking off.
A total of 59359 spectators is reported.
The line-ups for today's big match in London are now available.