Match ends, Arsenal 0, West Ham United 2.

Second Half ends, Arsenal 0, West Ham United 2.

Penalty saved. Saïd Benrahma (West Ham United) right footed shot saved in the bottom right corner.

Penalty conceded by Declan Rice (Arsenal) after a foul in the penalty area.

Penalty West Ham United. Emerson draws a foul in the penalty area.

Attempt blocked. Eddie Nketiah (Arsenal) right footed shot from the centre of the box is blocked. Assisted by Bukayo Saka.

Corner, Arsenal. Conceded by James Ward-Prowse.

Attempt blocked. William Saliba (Arsenal) header from the right side of the six yard box is blocked. Assisted by Martin Ødegaard with a cross.

Corner, Arsenal. Conceded by Emerson.

Attempt blocked. Bukayo Saka (Arsenal) left footed shot from the centre of the box is blocked.

Gabriel Jesus (Arsenal) is shown the yellow card.

Attempt missed. Reiss Nelson (Arsenal) left footed shot from outside the box is high and wide to the left following a corner.

Corner, Arsenal. Conceded by Alphonse Areola.

Attempt saved. Martin Ødegaard (Arsenal) left footed shot from outside the box is saved in the bottom right corner. Assisted by Bukayo Saka.

Gabriel Magalhães (Arsenal) wins a free kick on the left wing.

Foul by Jarrod Bowen (West Ham United).

Attempt saved. Eddie Nketiah (Arsenal) right footed shot from the centre of the box is saved in the centre of the goal.

Corner, Arsenal. Conceded by Edson Álvarez.

Gabriel Magalhães (Arsenal) wins a free kick in the defensive half.

Foul by Mohammed Kudus (West Ham United).

Attempt blocked. Martin Ødegaard (Arsenal) left footed shot from the centre of the box is blocked. Assisted by Gabriel Jesus.

Attempt saved. Emile Smith Rowe (Arsenal) right footed shot from outside the box is saved in the bottom right corner.

Bukayo Saka (Arsenal) wins a free kick in the defensive half.

Foul by Emerson (West Ham United).

Corner, West Ham United. Conceded by Gabriel Magalhães.

Substitution, Arsenal. Emile Smith Rowe replaces Leandro Trossard.

Martin Ødegaard (Arsenal) wins a free kick in the attacking half.

Foul by Saïd Benrahma (West Ham United).

Attempt saved. Bukayo Saka (Arsenal) left footed shot from the right side of the box is saved in the centre of the goal. Assisted by William Saliba.

Foul by Martin Ødegaard (Arsenal).

Edson Álvarez (West Ham United) wins a free kick on the left wing.

Attempt missed. Martin Ødegaard (Arsenal) left footed shot from outside the box misses to the left. Assisted by William Saliba.

Attempt missed. Gabriel Magalhães (Arsenal) header from very close range misses to the left. Assisted by Martin Ødegaard with a cross following a corner.

Corner, Arsenal. Conceded by Alphonse Areola.

Attempt saved. Leandro Trossard (Arsenal) right footed shot from the right side of the box is saved in the bottom right corner. Assisted by Martin Ødegaard.

Attempt blocked. Bukayo Saka (Arsenal) left footed shot from outside the box is blocked.

Attempt blocked. Saïd Benrahma (West Ham United) left footed shot from the right side of the six yard box is blocked.

Reiss Nelson (Arsenal) is shown the yellow card for a bad foul.

Foul by Reiss Nelson (Arsenal).

Tomás Soucek (West Ham United) wins a free kick in the defensive half.

Attempt blocked. Declan Rice (Arsenal) right footed shot from outside the box is blocked. Assisted by Bukayo Saka.

Gabriel Jesus (Arsenal) wins a free kick on the left wing.

Foul by Mohammed Kudus (West Ham United).

Attempt missed. Gabriel Jesus (Arsenal) header from the left side of the six yard box is just a bit too high. Assisted by Ben White.

Attempt saved. Gabriel Jesus (Arsenal) header from the centre of the box is saved in the centre of the goal. Assisted by Bukayo Saka with a cross.

Substitution, Arsenal. Reiss Nelson replaces Oleksandr Zinchenko.

Substitution, Arsenal. Eddie Nketiah replaces Gabriel Martinelli.

Attempt blocked. Bukayo Saka (Arsenal) left footed shot from the right side of the box is blocked. Assisted by Martin Ødegaard.

Attempt blocked. Bukayo Saka (Arsenal) left footed shot from outside the box is blocked. Assisted by Gabriel Jesus.

Offside, West Ham United. Jarrod Bowen is caught offside.

Attempt missed. Gabriel Jesus (Arsenal) right footed shot from the left side of the box is high and wide to the right. Assisted by Oleksandr Zinchenko.

Goal! Arsenal 0, West Ham United 2. Konstantinos Mavropanos (West Ham United) header from very close range to the top right corner. Assisted by James Ward-Prowse with a cross following a corner.

Corner, West Ham United. Conceded by Ben White.

Attempt missed. Declan Rice (Arsenal) right footed shot from outside the box is just a bit too high. Assisted by Leandro Trossard.

Attempt missed. Leandro Trossard (Arsenal) right footed shot from outside the box is high and wide to the right following a corner.

Corner, Arsenal. Conceded by Edson Álvarez.

Second Half begins Arsenal 0, West Ham United 1.

First Half ends, Arsenal 0, West Ham United 1.

Attempt blocked. Leandro Trossard (Arsenal) left footed shot from outside the box is blocked. Assisted by Declan Rice.

Hand ball by Gabriel Martinelli (Arsenal).

Gabriel Jesus (Arsenal) wins a free kick in the defensive half.

Foul by Jarrod Bowen (West Ham United).

Corner, West Ham United. Conceded by William Saliba.

Attempt blocked. Mohammed Kudus (West Ham United) left footed shot from outside the box is blocked.

Foul by Bukayo Saka (Arsenal).

Emerson (West Ham United) wins a free kick on the left wing.

Attempt missed. Leandro Trossard (Arsenal) left footed shot from the centre of the box misses to the left.

Bukayo Saka (Arsenal) hits the right post with a right footed shot from a difficult angle on the right. Assisted by Martin Ødegaard with a through ball.

Foul by Bukayo Saka (Arsenal).

Mohammed Kudus (West Ham United) wins a free kick in the defensive half.

Attempt missed. Gabriel Martinelli (Arsenal) right footed shot from the centre of the box is close, but misses to the right. Assisted by Gabriel Jesus.

Gabriel Jesus (Arsenal) wins a free kick on the left wing.

Foul by Konstantinos Mavropanos (West Ham United).

Attempt missed. Ben White (Arsenal) header from the centre of the box misses to the left. Assisted by Oleksandr Zinchenko following a corner.

Corner, Arsenal. Conceded by Emerson.

Substitution, West Ham United. Saïd Benrahma replaces Lucas Paquetá because of an injury.

Delay over. They are ready to continue.

Delay in match because of an injury Lucas Paquetá (West Ham United).

Corner, Arsenal. Conceded by Alphonse Areola.

Attempt saved. Bukayo Saka (Arsenal) header from the centre of the box is saved in the top centre of the goal. Assisted by Gabriel Jesus.

Corner, Arsenal. Conceded by Edson Álvarez.

Attempt blocked. Bukayo Saka (Arsenal) left footed shot from outside the box is blocked. Assisted by Declan Rice.

Gabriel Jesus (Arsenal) wins a free kick in the attacking half.

Foul by James Ward-Prowse (West Ham United).

Goal! Arsenal 0, West Ham United 1. Tomás Soucek (West Ham United) right footed shot from very close range to the centre of the goal. Assisted by Jarrod Bowen.

Foul by Leandro Trossard (Arsenal).

James Ward-Prowse (West Ham United) wins a free kick in the defensive half.

Attempt missed. Leandro Trossard (Arsenal) right footed shot from outside the box is too high. Assisted by Gabriel Martinelli.

Foul by Oleksandr Zinchenko (Arsenal).

Vladimír Coufal (West Ham United) wins a free kick on the right wing.

Corner, Arsenal. Conceded by Vladimír Coufal.

Attempt saved. Bukayo Saka (Arsenal) left footed shot from the right side of the box is saved in the centre of the goal. Assisted by Martin Ødegaard.

Attempt missed. James Ward-Prowse (West Ham United) right footed shot from outside the box is too high.

First Half begins.

Lineups are announced and players are warming up.