SUBSTITUTION: A. Lokonga COMES ON FOR M. Odegaard
Substitution - Arsenal. Albert Sambi Lokonga for Martin Ødegaard.
Pablo Fornals - West Ham United - won a free kick in defence.
Missed chance. Albert Sambi Lokonga - Arsenal - shot with right foot from the right side of the box is high and wide to the right. Assist - Eddie Nketiah.
Fouled by Mohamed Elneny - Arsenal
Eddie Nketiah - Arsenal - receive yellow card.
Aaron Cresswell - West Ham United - receive yellow card.
Jarrod Bowen - West Ham United - won a free kick in defence.
Fouled by Cédric Soares - Arsenal
SUBSTITUTION: E. Smith Rowe COMES ON FOR B. Saka
Substitution - Arsenal. Emile Smith Rowe for Bukayo Saka - injury.
Hand ball by Bukayo Saka - Arsenal
Offside - West Ham United. Vladimir Coufal with a pass, however Andriy Yarmolenko is in offside.
SUBSTITUTION: A. Yarmolenko COMES ON FOR S. Benrahma
Substitution - West Ham United. Andriy Yarmolenko for Saïd Benrahma.
New attacking attempt. Eddie Nketiah - Arsenal - shot with right foot from outside the box is saved in the right corner.
Corner - Arsenal. Conceded by Lukasz Fabianski.
SUBSTITUTION: C. Soares COMES ON FOR T. Tomiyasu
Substitution - Arsenal. Cédric Soares for Takehiro Tomiyasu - injury.
SUBSTITUTION: T. Soucek COMES ON FOR M. Noble
Substitution - West Ham United. Tomas Soucek for Mark Noble.
Jarrod Bowen - West Ham United - won a free kick in defence.
Fouled by Nuno Tavares - Arsenal
Missed chance. Mohamed Elneny - Arsenal - shot with right foot from outside the box is high and wide to the right. Assist - Bukayo Saka.
Shot blocked. Pablo Fornals - West Ham United - shot with right foot from the centre of the box is blocked. Assist - Saïd Benrahma with a cross.
Missed chance. Eddie Nketiah - Arsenal - shot with right foot from the centre of the box is close, but missed. Assist - Mohamed Elneny following a fast break.
SUBSTITUTION: M. Antonio COMES ON FOR M. Lanzini
Substitution - West Ham United. Michail Antonio for Manuel Lanzini.
New attacking attempt. Eddie Nketiah - Arsenal - shot with right foot from outside the box is saved by goalkeeper in the centre of the goal. Assist - Martin Ødegaard.
Gabriel Martinelli - Arsenal - won a free kick in defence.
Fouled by Vladimir Coufal - West Ham United
New attacking attempt. Eddie Nketiah - Arsenal - shot with left foot from the left side of the box is saved in the top centre of the goal. Assist - Gabriel Martinelli.
Missed chance. Gabriel Martinelli - Arsenal - shot with right foot from outside the box goes high. Assist - Granit Xhaka.
Goal! West Ham United 1, Arsenal 2. Gabriel Magalhães - Arsenal - shot with the head from the right side of the six yard box to the right corner. Assist - Gabriel Martinelli with a cross after corner.
New attacking attempt. Bukayo Saka - Arsenal - shot with left foot from the right side of the box is saved in the right corner. Assist - Granit Xhaka.
Jarrod Bowen - West Ham United - receive yellow card.
Corner - Arsenal. Conceded by Lukasz Fabianski.
Jarrod Bowen - West Ham United - has gone down, but the referee deems it simulation.
Shot blocked. Saïd Benrahma - West Ham United - shot with right foot from the centre of the box is blocked. Assist - Pablo Fornals.
Jarrod Bowen - West Ham United - won a free kick in defence.
Fouled by Bukayo Saka - Arsenal
Bukayo Saka - Arsenal - receive yellow card for a foul.
Second Half starts West Ham United 1, Arsenal 1.
Goal! West Ham United 1, Arsenal 1. Jarrod Bowen - West Ham United - shot with left foot from the centre of the box to the left corner. Assist - Vladimir Coufal.
First Half ended - West Ham United 1, Arsenal 1.
Fouled by Aaron Cresswell - West Ham United
Eddie Nketiah - Arsenal - won a free kick in defence.
Corner - West Ham United. Conceded by Rob Holding.
New attacking attempt. Declan Rice - West Ham United - shot with the head from a diffucult position on the left is saved in the top left corner. Assist - Pablo Fornals with a cross.
Corner - West Ham United. Conceded by Bukayo Saka.
New attacking attempt. Eddie Nketiah - Arsenal - shot with right foot from outside the box is saved in the right corner. Assist - Martin Ødegaard.
Goal! West Ham United 0, Arsenal 1. Rob Holding - Arsenal - shot with the head from the centre of the box to the left corner. Assist - Bukayo Saka with a cross after corner.
Corner - Arsenal. Conceded by Lukasz Fabianski.
New attacking attempt. Declan Rice - West Ham United - shot with right foot from outside the box is saved by goalkeeper in the centre of the goal. Assist - Manuel Lanzini.
Hand ball by Eddie Nketiah - Arsenal
Shot blocked. Manuel Lanzini - West Ham United - shot with right foot from the left side of the box is blocked.
Corner - Arsenal. Conceded by Vladimir Coufal.
Missed chance. Pablo Fornals - West Ham United - shot with right foot from the right side of the box goes high.
Shot blocked. Kurt Zouma - West Ham United - shot with the head from the centre of the box is blocked. Assist - Saïd Benrahma with a cross.
Fouled by Ryan Fredericks - West Ham United
Bukayo Saka - Arsenal - won a free kick on the right wing.
Gabriel Martinelli - Arsenal - won a free kick in defence.
Fouled by Jarrod Bowen - West Ham United
Takehiro Tomiyasu - Arsenal - won a free kick in defence.
Fouled by Saïd Benrahma - West Ham United
Lukasz Fabianski - West Ham United - won a free kick in defence.
Fouled by Takehiro Tomiyasu - Arsenal
Corner - Arsenal. Conceded by Pablo Fornals.
Shot blocked. Eddie Nketiah - Arsenal - shot with right foot from outside the box is blocked. Assist - Granit Xhaka.
Corner - Arsenal. Conceded by Aaron Cresswell.
Shot blocked. Bukayo Saka - Arsenal - shot with left foot from the right side of the box is blocked. Assist - Martin Ødegaard.
Mohamed Elneny - Arsenal - won a free kick in defence.
Fouled by Kurt Zouma - West Ham United
Corner - West Ham United. Conceded by Nuno Tavares.
Mark Noble - West Ham United - won a free kick in defence.
Fouled by Gabriel Martinelli - Arsenal
Jarrod Bowen - West Ham United - won a free kick in attack.
Fouled by Granit Xhaka - Arsenal
Corner - Arsenal. Conceded by Aaron Cresswell.
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium