Konstantinos Mavropanos - West Ham United - won a free kick in defence.
Kalvin Phillips - West Ham United - receive yellow card for a foul.
Reiss Nelson - Arsenal - won a free kick on the left wing.
Fouled by Kalvin Phillips - West Ham United
Tomás Soucek - West Ham United - won a free kick on the right wing.
Fouled by Mohamed Elneny - Arsenal
Fouled by Eddie Nketiah - Arsenal
Reiss Nelson - Arsenal - won a free kick on the left wing.
Fouled by Vladimír Coufal - West Ham United
Second Half ended - West Ham United 0, Arsenal 6.
Konstantinos Mavropanos - West Ham United - won a free kick in defence.
Fouled by Eddie Nketiah - Arsenal
Eddie Nketiah - Arsenal - won a free kick on the left wing.
Fouled by Konstantinos Mavropanos - West Ham United
Mohammed Kudus - West Ham United - won a free kick in defence.
Fouled by Jakub Kiwior - Arsenal
Mohammed Kudus - West Ham United - won a free kick in defence.
Fouled by Jakub Kiwior - Arsenal
Fouled by Kalvin Phillips - West Ham United
Ethan Nwaneri - Arsenal - won a free kick in attack.
New attacking attempt. Mohammed Kudus - West Ham United - shot with left foot from the right side of the six yard box is saved in the right corner. Assist - Jarrod Bowen.
Missed chance. Mohamed Elneny - Arsenal - shot with right foot from outside the box is high and wide to the right. Assist - Ethan Nwaneri.
Shot blocked. Jarrod Bowen - West Ham United - shot with left foot from the right side of the box is blocked.
Corner - West Ham United. Conceded by Gabriel Magalhães.
Fouled by Mohammed Kudus - West Ham United
Reiss Nelson - Arsenal - won a free kick in defence.
Fouled by Kalvin Phillips - West Ham United
Kai Havertz - Arsenal - won a free kick in defence.
Ben Johnson - West Ham United - won a free kick in defence.
Fouled by Ethan Nwaneri - Arsenal
Substitution - Arsenal. Ethan Nwaneri for Gabriel Martinelli.
Substitution - Arsenal. Cédric Soares for Ben White.
SUBSTITUTION: E. Nwaneri COMES ON FOR Gabriel Martinelli
SUBSTITUTION: Cédric Soares COMES ON FOR Ben White
Mohammed Kudus - West Ham United - receive yellow card for a foul.
Gabriel Martinelli - Arsenal - won a free kick on the left wing.
Fouled by Mohammed Kudus - West Ham United
Substitution - West Ham United. Aaron Cresswell for Emerson.
SUBSTITUTION: Aaron Cresswell COMES ON FOR Emerson Palmieri
Reiss Nelson - Arsenal - won a free kick in attack.
Fouled by Kalvin Phillips - West Ham United
New attacking attempt. Eddie Nketiah - Arsenal - shot with right foot from the left side of the box is saved by goalkeeper in the centre of the goal. Assist - Gabriel Martinelli.
New attacking attempt. Mohamed Elneny - Arsenal - shot with right foot from outside the box is saved by goalkeeper in the centre of the goal. Assist - Martin Ødegaard.
Fouled by Eddie Nketiah - Arsenal
Kalvin Phillips - West Ham United - won a free kick in attack.
Gabriel Martinelli - Arsenal - won a free kick in defence.
Fouled by Tomás Soucek - West Ham United
Jarrod Bowen - West Ham United - won a free kick in attack.
Fouled by Gabriel Magalhães - Arsenal
Tomás Soucek - West Ham United - won a free kick on the right wing.
Fouled by Eddie Nketiah - Arsenal
Ben White - Arsenal - won a free kick in defence.
Fouled by Tomás Soucek - West Ham United
SUBSTITUTION: Reiss Nelson COMES ON FOR Bukayo Saka
SUBSTITUTION: Mohamed Elneny COMES ON FOR Declan Rice
SUBSTITUTION: Edward Nketiah COMES ON FOR Leandro Trossard
Substitution - Arsenal. Mohamed Elneny for Declan Rice.
Substitution - Arsenal. Reiss Nelson for Bukayo Saka.
Substitution - Arsenal. Eddie Nketiah for Leandro Trossard.
Goal! West Ham United 0, Arsenal 6. Declan Rice - Arsenal - shot with right foot from outside the box to the left corner. Assist - Ben White.
Goal! West Ham United 0, Arsenal 5. Bukayo Saka - Arsenal - shot with left foot from the centre of the box to the right corner. Assist - Martin Ødegaard.
Fouled by Konstantinos Mavropanos - West Ham United
Gabriel Martinelli - Arsenal - won a free kick in defence.
Ben White - Arsenal - won a free kick on the right wing.
Fouled by Kalvin Phillips - West Ham United
Shot blocked. Gabriel Martinelli - Arsenal - shot with right foot from the centre of the box is blocked. Assist - Kai Havertz.
Martin Ødegaard - Arsenal - won a free kick in attack.
Fouled by Mohammed Kudus - West Ham United
New attacking attempt. Bukayo Saka - Arsenal - shot with left foot from the centre of the box is saved in the top left corner. Assist - Kai Havertz.
Delay over. They are ready to continue.
Delay in match - injury Ben Johnson - West Ham United
Shot blocked. Ben Johnson - West Ham United - shot with right foot from outside the box is blocked.
Shot blocked. Mohammed Kudus - West Ham United - shot with left foot from outside the box is blocked.
Missed chance. Kai Havertz - Arsenal - shot with left foot from outside the box is close, but missed. Assist - Martin Ødegaard.
Missed chance. Gabriel Martinelli - Arsenal - shot with the head from the centre of the box missed. Assist - Bukayo Saka with a cross.
Missed chance. Leandro Trossard - Arsenal - shot with left foot from the centre of the box is high and wide to the left. Assist - Gabriel Martinelli.
SUBSTITUTION: Kalvin Phillips COMES ON FOR Edson Álvarez
SUBSTITUTION: Konstantinos Mavropanos COMES ON FOR Kurt Zouma
Second Half starts West Ham United 0, Arsenal 4.
Substitution - West Ham United. Kalvin Phillips for Edson Álvarez.
Substitution - West Ham United. Konstantinos Mavropanos for Kurt Zouma.
Offside - West Ham United. Mohammed Kudus is in offside.
First Half ended - West Ham United 0, Arsenal 4.
Offside - Arsenal. Ben White is in offside.
Goal! West Ham United 0, Arsenal 4. Leandro Trossard - Arsenal - shot with right foot from the left side of the box to the top right corner. Assist - Martin Ødegaard.
Goal! West Ham United 0, Arsenal 3. Gabriel Magalhães - Arsenal - shot with the head from few metres to the left corner. Assist - Declan Rice with a cross .
Fouled by Vladimír Coufal - West Ham United
Leandro Trossard - Arsenal - won a free kick on the left wing.
Goal! West Ham United 0, Arsenal 2. Bukayo Saka - Arsenal - converts the penalty with a shot with left foot to the right corner.
Penalty conceded by Alphonse Areola - West Ham United - after a foul in the penalty area.
Penalty Arsenal. Bukayo Saka draws a foul in the penalty area.
Alphonse Areola - West Ham United - receive yellow card for a foul.
Missed chance. Bukayo Saka - Arsenal - shot with left foot from the right side of the six yard box missed to the left. Assist - Martin Ødegaard with a through ball.
Missed chance. Bukayo Saka - Arsenal - shot with the head from the centre of the box missed to the left. Assist - Jakub Kiwior with a cross.
Goal! West Ham United 0, Arsenal 1. William Saliba - Arsenal - shot with the head from few metres to the high centre of the goal. Assist - Declan Rice with a cross after corner.
Corner - Arsenal. Conceded by Vladimír Coufal.
Kai Havertz - Arsenal - won a free kick in defence.
Fouled by Gabriel Martinelli - Arsenal
Vladimír Coufal - West Ham United - won a free kick in defence.
Fouled by Tomás Soucek - West Ham United
Shot blocked. Martin Ødegaard - Arsenal - shot with left foot from outside the box is blocked. Assist - Bukayo Saka.
Corner - Arsenal. Conceded by Tomás Soucek.
Shot blocked. Bukayo Saka - Arsenal - shot with left foot from the centre of the box is blocked. Assist - Martin Ødegaard.
Missed chance. Leandro Trossard - Arsenal - shot with right foot from the centre of the box missed to the left. Assist - William Saliba with a cross after corner.
Corner - Arsenal. Conceded by Alphonse Areola.
New attacking attempt. Leandro Trossard - Arsenal - shot with right foot from the centre of the box is saved in the top centre of the goal. Assist - Gabriel Martinelli.
Missed chance. Leandro Trossard - Arsenal - shot with the head from the centre of the box is high and wide to the left. Assist - Bukayo Saka with a cross.
Missed chance. Bukayo Saka - Arsenal - shot with left foot from outside the box missed. Assist - Kai Havertz.
Ben Johnson - West Ham United - won a free kick in defence.
Fouled by Bukayo Saka - Arsenal
Shot blocked. Jarrod Bowen - West Ham United - shot with left foot from outside the box is blocked.
Corner - West Ham United. Conceded by Jakub Kiwior.
Corner - Arsenal. Conceded by Edson Álvarez.
Corner - Arsenal. Conceded by Nayef Aguerd.
Shot blocked. Bukayo Saka - Arsenal - shot with left foot from outside the box is blocked. Assist - Martin Ødegaard.
New attacking attempt. Kai Havertz - Arsenal - shot with the head from the centre of the box is saved in the top centre of the goal. Assist - Declan Rice with a cross.
Bukayo Saka - Arsenal - won a free kick on the right wing.
Fouled by Edson Álvarez - West Ham United
New attacking attempt. Gabriel Magalhães - Arsenal - shot with the head from few metres is saved by goalkeeper in the centre of the goal. Assist - Declan Rice with a cross.
Edson Álvarez - West Ham United - receive yellow card for a foul.
Corner - Arsenal. Conceded by Nayef Aguerd.
Offside - Arsenal. Bukayo Saka is in offside.
Offside - West Ham United. Jarrod Bowen is in offside.
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium