Missed chance. Keane Lewis-Potter - Brentford - shot with right foot from the left side of the box missed.
Fourth official has announced 6 minutes of added time.
Goal! Arsenal 2, Brentford 0. Bukayo Saka - Arsenal - shot with left foot from the centre of the box to the centre of the goal. Assist - Mikel Merino with a through ball following a fast break.
New attacking attempt. Riccardo Calafiori - Arsenal - shot with right foot from the centre of the box is saved by goalkeeper in the centre of the goal by Caoimhín Kelleher - Brentford Assist - Martin Ødegaard.
New attacking attempt. Bukayo Saka - Arsenal - shot with left foot from the centre of the box is saved in the right corner by Caoimhín Kelleher - Brentford
Delay over. They are ready to continue.
Delay in match - injury Piero Hincapié - Arsenal
Delay in match - injury Igor Thiago - Brentford
Delay over. They are ready to continue.
SUBSTITUTION: Viktor Gyökeres COMES ON FOR Declan Rice
Substitution - Arsenal. Viktor Gyökeres for Declan Rice - injury.
Delay in match - injury Declan Rice - Arsenal
Shot blocked. Declan Rice - Arsenal - shot with right foot from outside the box is blocked. Assist - Eberechi Eze.
Fouled by Eberechi Eze - Arsenal
Michael Kayode - Brentford - won a free kick in defence.
Corner - Brentford. Conceded by Piero Hincapié.
Substitution - Brentford. Nathan Collins for Ethan Pinnock.
Substitution - Brentford. Keane Lewis-Potter for Rico Henry.
SUBSTITUTION: Nathan Collins COMES ON FOR Ethan Pinnock
SUBSTITUTION: Keane Lewis-Potter COMES ON FOR Rico Henry
Eberechi Eze - Arsenal - won a free kick in defence.
Fouled by Kristoffer Ajer - Brentford
New attacking attempt. Declan Rice - Arsenal - shot with right foot from outside the box is saved in the right corner by Caoimhín Kelleher - Brentford Assist - Mikel Merino.
Missed chance. Mikel Merino - Arsenal - shot with right foot from the right side of the six yard box is close, but missed.
New attacking attempt. Riccardo Calafiori - Arsenal - shot with right foot from outside the box is saved in the left corner by Caoimhín Kelleher - Brentford Assist - Declan Rice.
Yehor Yarmoliuk - Brentford - receive yellow card for a foul.
Fouled by Yehor Yarmoliuk - Brentford
Eberechi Eze - Arsenal - won a free kick on the left wing.
Eberechi Eze - Arsenal - won a free kick on the left wing.
Fouled by Michael Kayode - Brentford
Substitution - Brentford. Mikkel Damsgaard for Mathias Jensen.
Substitution - Brentford. Jordan Henderson for Vitaly Janelt.
Substitution - Arsenal. Eberechi Eze for Gabriel Martinelli.
SUBSTITUTION: Jordan Henderson COMES ON FOR Vitaly Janelt
SUBSTITUTION: Mikkel Damsgaard COMES ON FOR Mathias Jensen
SUBSTITUTION: Bukayo Saka COMES ON FOR Noni Madueke
SUBSTITUTION: Eberechi Eze COMES ON FOR Gabriel Martinelli
Substitution - Arsenal. Bukayo Saka for Noni Madueke.
SUBSTITUTION: Igor Thiago COMES ON FOR Kevin Schade
Substitution - Brentford. Igor Thiago for Kevin Schade.
Corner - Brentford. Conceded by Jurriën Timber.
Corner - Brentford. Conceded by Ben White.
Missed chance. Vitaly Janelt - Brentford - shot with the head from a diffucult position on the right is close, but missed. Assist - Mathias Jensen with a cross after corner.
Corner - Brentford. Conceded by Ben White.
Fouled by Jurriën Timber - Arsenal
Kevin Schade - Brentford - won a free kick in attack.
Fourth official has announced 3 minutes of added time.
Dango Ouattara - Brentford - won a free kick in defence.
First Half ended - Arsenal 1, Brentford 0.
Second Half starts Arsenal 1, Brentford 0.
Fouled by Piero Hincapié - Arsenal
Delay over. They are ready to continue.
Substitution - Arsenal. Jurriën Timber for Cristhian Mosquera - injury.
SUBSTITUTION: Jurriën Timber COMES ON FOR Cristhian Mosquera
Delay in match - injury Cristhian Mosquera - Arsenal
Handball by Kristoffer Ajer - Brentford
Martín Zubimendi - Arsenal - won a free kick in defence.
Missed chance. Mikel Merino - Arsenal - shot with left foot from outside the box is high and wide to the left. Assist - Martin Ødegaard with a head.
Fouled by Mathias Jensen - Brentford
Shot blocked. Noni Madueke - Arsenal - shot with right foot from the centre of the box is blocked. Assist - Declan Rice with a cross.
Corner - Arsenal. Conceded by Rico Henry.
Corner - Arsenal. Conceded by Ethan Pinnock.
Shot blocked. Declan Rice - Arsenal - shot with right foot from a diffucult position on the right is blocked. Assist - Martin Ødegaard.
Corner - Arsenal. Conceded by Sepp van den Berg.
Fouled by Ben White - Arsenal
Rico Henry - Brentford - won a free kick in defence.
Gabriel Martinelli - Arsenal - won a free kick in defence.
Missed chance. Gabriel Martinelli - Arsenal - shot with right foot from the centre of the box is very close to the goal. Assist - Ben White.
Ben White - Arsenal - won a free kick in defence.
Fouled by Kevin Schade - Brentford
Fouled by Kristoffer Ajer - Brentford
Fouled by Noni Madueke - Arsenal
Rico Henry - Brentford - won a free kick in defence.
Cristhian Mosquera - Arsenal - won a free kick in defence.
Fouled by Rico Henry - Brentford
New attacking attempt. Kevin Schade - Brentford - shot with the head from few metres is saved in the top centre of the goal by David Raya - Arsenal Assist - Vitaly Janelt with a cross.
Shot blocked. Vitaly Janelt - Brentford - shot with the head from the centre of the box is blocked.
Corner - Brentford. Conceded by Ben White.
Shot blocked. Dango Ouattara - Brentford - shot with right foot from the right side of the box is blocked.
Rico Henry - Brentford - won a free kick in defence.
Corner - Brentford. Conceded by Cristhian Mosquera.
Fouled by Riccardo Calafiori - Arsenal
New attacking attempt. Noni Madueke - Arsenal - shot with left foot from the right side of the box is saved by goalkeeper in the centre of the goal by Caoimhín Kelleher - Brentford Assist - Martin Ødegaard.
Missed chance. Ben White - Arsenal - shot with right foot from the right side of the box is close, but missed. Assist - Gabriel Martinelli.
Corner - Brentford. Conceded by Riccardo Calafiori.
Goal! Arsenal 1, Brentford 0. Mikel Merino - Arsenal - shot with the head from the centre of the box to the centre of the goal. Assist - Ben White with a cross.
Shot blocked. Martin Ødegaard - Arsenal - shot with left foot from outside the box is blocked. Assist - Declan Rice.
Corner - Brentford. Conceded by Riccardo Calafiori.
Fouled by Gabriel Martinelli - Arsenal
Yehor Yarmoliuk - Brentford - won a free kick in defence.
Corner - Arsenal. Conceded by Ethan Pinnock.
Gabriel Martinelli - Arsenal - won a free kick in defence.
Fouled by Kristoffer Ajer - Brentford
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium