Shot blocked. Saïd Benrahma - West Ham United - shot with right foot from outside the box is blocked.
Missed chance. Granit Xhaka - Arsenal - shot with left foot from outside the box goes high. Assist - Emile Smith Rowe.
Tomas Soucek - West Ham United - won a free kick in attack.
Fouled by Thomas Partey - Arsenal
SUBSTITUTION: N. Tavares COMES ON FOR A. Lacazette
Substitution - Arsenal. Nuno Tavares for Alexandre Lacazette.
Goal! Arsenal 2, West Ham United 0. Emile Smith Rowe - Arsenal - shot with left foot from outside the box to the right corner. Assist - Bukayo Saka following a fast break.
SUBSTITUTION: H. Ashby COMES ON FOR P. Fornals
Substitution - West Ham United. Harrison Ashby for Pablo Fornals.
Saïd Benrahma - West Ham United - won a free kick on the left wing.
Fouled by Thomas Partey - Arsenal
SUBSTITUTION: E. Nketiah COMES ON FOR G. Martinelli
Substitution - Arsenal. Eddie Nketiah for Gabriel Martinelli - injury.
New attacking attempt. Emile Smith Rowe - Arsenal - shot with right foot from outside the box is saved in the right corner. Assist - Bukayo Saka.
Gabriel Martinelli - Arsenal - won a free kick on the left wing.
Fouled by Michail Antonio - West Ham United
Shot blocked. Bukayo Saka - Arsenal - shot with left foot from the centre of the box is blocked. Assist - Gabriel Martinelli.
Corner - Arsenal. Conceded by Issa Diop.
SUBSTITUTION: S. Benrahma COMES ON FOR M. Lanzini
Substitution - West Ham United. Saïd Benrahma for Manuel Lanzini.
Missed chance. Gabriel Magalhães - Arsenal - shot with left foot from the centre of the box is close, but missed after corner.
Corner - Arsenal. Conceded by Michail Antonio.
Corner - Arsenal. Conceded by Arthur Masuaku.
Aaron Ramsdale - Arsenal - receive yellow card.
SUBSTITUTION: E. Smith Rowe COMES ON FOR M. Odegaard
Penalty saved! Alexandre Lacazette - Arsenal - fails to capitalise on this great opportunity, shot with right foot saved in the right corner.
Pablo Fornals - West Ham United - won a free kick in defence.
Fouled by Thomas Partey - Arsenal
Second yellow card to Vladimir Coufal - West Ham United - for a foul.
SUBSTITUTION: E. Smith Rowe COMES ON FOR M. Odegaard
SUBSTITUTION: E. Smith Rowe COMES ON FOR M. Odegaard
Substitution - Arsenal. Emile Smith Rowe for Martin Ødegaard.
Penalty conceded by Vladimir Coufal - West Ham United - after a foul in the penalty area.
Penalty Arsenal. Alexandre Lacazette draws a foul in the penalty area.
Missed chance. Jarrod Bowen - West Ham United - shot with right foot from the right side of the six yard box is close, but misses the top right corner. Assist - Michail Antonio with a cross.
Shot blocked. Declan Rice - West Ham United - shot with right foot from outside the box is blocked. Assist - Arthur Masuaku.
Shot blocked. Thomas Partey - Arsenal - shot with left foot from outside the box is blocked.
Fouled by Alexandre Lacazette - Arsenal
Craig Dawson - West Ham United - won a free kick in defence.
Shot blocked. Gabriel Martinelli - Arsenal - shot with right foot from the left side of the box is blocked. Assist - Martin Ødegaard.
New attacking attempt. Martin Ødegaard - Arsenal - shot with left foot from outside the box is saved in the right corner.
Lukasz Fabianski - West Ham United - won a free kick in defence.
Gabriel Martinelli - Arsenal - receive yellow card for a foul.
Gabriel Martinelli - Arsenal
Fouled by Craig Dawson - West Ham United
Alexandre Lacazette - Arsenal - won a free kick in attack.
Fouled by Michail Antonio - West Ham United
Aaron Ramsdale - Arsenal - won a free kick in defence.
New attacking attempt. Jarrod Bowen - West Ham United - shot with left foot from the centre of the box is saved in the top left corner.
Corner - West Ham United. Conceded by Aaron Ramsdale.
Shot blocked. Granit Xhaka - Arsenal - shot with left foot from the left side of the box is blocked. Assist - Martin Ødegaard.
Goal! Arsenal 1, West Ham United 0. Gabriel Martinelli - Arsenal - shot with right foot from the centre of the box to the right corner. Assist - Alexandre Lacazette with a through ball.
Gabriel Magalhães - Arsenal - won a free kick in attack.
Fouled by Michail Antonio - West Ham United
Missed chance. Bukayo Saka - Arsenal - shot with left foot from outside the box is high and wide to the left. Assist - Alexandre Lacazette.
Second Half starts Arsenal 0, West Ham United 0.
First Half ended - Arsenal 0, West Ham United 0.
Shot blocked. Gabriel Martinelli - Arsenal - shot with right foot from the centre of the box is blocked. Assist - Takehiro Tomiyasu with a cross.
New attacking attempt. Alexandre Lacazette - Arsenal - shot with right foot from outside the box is saved in the right corner. Assist - Bukayo Saka.
Missed chance. Gabriel Martinelli - Arsenal - shot with left foot from the right side of the six yard box is close, but missed.
Shot blocked. Thomas Partey - Arsenal - shot with right foot from outside the box is blocked.
Shot blocked. Granit Xhaka - Arsenal - shot with left foot from the centre of the box is blocked. Assist - Bukayo Saka.
New attacking attempt. Kieran Tierney - Arsenal - shot with left foot from outside the box is saved in the top left corner.
Corner - Arsenal. Conceded by Tomas Soucek.
Shot blocked. Jarrod Bowen - West Ham United - shot with left foot from outside the box is blocked. Assist - Manuel Lanzini.
Missed chance. Pablo Fornals - West Ham United - shot with right foot from outside the box is close, but missed .
Tomas Soucek - West Ham United - won a free kick on the right wing.
Fouled by Alexandre Lacazette - Arsenal
New attacking attempt. Alexandre Lacazette - Arsenal - shot with right foot from the centre of the box is saved by goalkeeper in the centre of the goal.
Missed chance. Bukayo Saka - Arsenal - shot with left foot from the right side of the box missed to the left.
Thomas Partey - Arsenal - won a free kick in defence.
Fouled by Michail Antonio - West Ham United
Corner - West Ham United. Conceded by Kieran Tierney.
Fouled by Arthur Masuaku - West Ham United
Bukayo Saka - Arsenal - won a free kick on the right wing.
Corner - Arsenal. Conceded by Jarrod Bowen.
Jarrod Bowen - West Ham United - won a free kick in defence.
Fouled by Gabriel Martinelli - Arsenal
Vladimir Coufal - West Ham United - receive yellow card for a foul.
Shot blocked. Granit Xhaka - Arsenal - shot with left foot from outside the box is blocked.
Kieran Tierney - Arsenal - won a free kick on the left wing.
Fouled by Vladimir Coufal - West Ham United
Fouled by Declan Rice - West Ham United
Alexandre Lacazette - Arsenal - won a free kick in attack.
Missed chance. Craig Dawson - West Ham United - shot with right foot from outside the box is high and wide to the right. Assist - Manuel Lanzini .
Manuel Lanzini - West Ham United - won a free kick on the left wing.
Fouled by Thomas Partey - Arsenal
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium