Match ends, Brentford 0, Arsenal 1.

Second Half ends, Brentford 0, Arsenal 1.

Substitution, Arsenal. Ben White replaces Bukayo Saka.

Substitution, Arsenal. Jorginho replaces Martin Ødegaard.

Takehiro Tomiyasu (Arsenal) wins a free kick in the defensive half.

Foul by Kristoffer Ajer (Brentford).

Substitution, Brentford. Keane Lewis-Potter replaces Frank Onyeka.

Substitution, Brentford. Zanka replaces Saman Ghoddos.

Goal! Brentford 0, Arsenal 1. Kai Havertz (Arsenal) header from the left side of the six yard box to the bottom left corner. Assisted by Bukayo Saka with a cross.

Attempt blocked. Takehiro Tomiyasu (Arsenal) right footed shot from the centre of the box is blocked.

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

Attempt missed. William Saliba (Arsenal) right footed shot from outside the box is close, but misses to the right.

Foul by Takehiro Tomiyasu (Arsenal).

Saman Ghoddos (Brentford) wins a free kick in the defensive half.

Corner, Arsenal. Conceded by Frank Onyeka.

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

Substitution, Arsenal. Kai Havertz replaces Gabriel Martinelli.

Declan Rice (Arsenal) wins a free kick on the right wing.

Foul by Shandon Baptiste (Brentford).

Attempt missed. Neal Maupay (Brentford) left footed shot from the left side of the six yard box misses to the left. Assisted by Vitaly Janelt.

Attempt blocked. Neal Maupay (Brentford) header from the centre of the box is blocked. Assisted by Bryan Mbeumo.

Attempt blocked. Kristoffer Ajer (Brentford) left footed shot from the centre of the box is blocked. Assisted by Bryan Mbeumo.

Takehiro Tomiyasu (Arsenal) wins a free kick in the defensive half.

Foul by Neal Maupay (Brentford).

Corner, Arsenal. Conceded by Frank Onyeka.

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

Substitution, Brentford. Neal Maupay replaces Yoane Wissa.

Substitution, Brentford. Shandon Baptiste replaces Yehor Yarmoliuk.

Attempt saved. Yehor Yarmoliuk (Brentford) right footed shot from outside the box is saved in the top left corner. Assisted by Saman Ghoddos.

Corner, Arsenal. Conceded by Ben Mee.

Offside, Arsenal. Takehiro Tomiyasu tries a through ball, but Martin Ødegaard is caught offside.

Substitution, Arsenal. Eddie Nketiah replaces Gabriel Jesus.

Gabriel Martinelli (Arsenal) is shown the yellow card for a bad foul.

Foul by Gabriel Martinelli (Arsenal).

Frank Onyeka (Brentford) wins a free kick in the defensive half.

Corner, Arsenal. Conceded by Ben Mee.

Attempt missed. Bryan Mbeumo (Brentford) left footed shot from the right side of the box misses to the right. Assisted by Yoane Wissa.

Foul by Gabriel Martinelli (Arsenal).

Kristoffer Ajer (Brentford) wins a free kick in the defensive half.

Attempt missed. Saman Ghoddos (Brentford) right footed shot from the centre of the box misses to the right. Assisted by Ben Mee with a headed pass.

Second Half begins Brentford 0, Arsenal 0.

First Half ends, Brentford 0, Arsenal 0.

Attempt missed. Martin Ødegaard (Arsenal) left footed shot from the centre of the box misses to the right.

Kristoffer Ajer (Brentford) is shown the yellow card.

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

Foul by Kristoffer Ajer (Brentford).

GOAL OVERTURNED BY VAR: Leandro Trossard (Arsenal) scores but the goal is ruled out after a VAR review.

Offside, Arsenal. Gabriel Jesus tries a through ball, but Leandro Trossard is caught offside.

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

Corner, Arsenal. Conceded by Mark Flekken.

Attempt saved. Gabriel Jesus (Arsenal) right footed shot from the centre of the box is saved in the top left corner. Assisted by Gabriel Martinelli.

Offside, Brentford. Christian Nørgaard tries a through ball, but Yoane Wissa is caught offside.

Attempt missed. Gabriel Jesus (Arsenal) right footed shot from a difficult angle on the right is just a bit too high.

Foul by Gabriel Jesus (Arsenal).

Frank Onyeka (Brentford) wins a free kick in the defensive half.

Foul by William Saliba (Arsenal).

Bryan Mbeumo (Brentford) wins a free kick in the defensive half.

Corner, Brentford. Conceded by William Saliba.

Attempt missed. Gabriel Magalhães (Arsenal) with an attempt from the right side of the six yard box is close, but misses to the right. Assisted by Bukayo Saka with a cross following a corner.

Corner, Arsenal. Conceded by Vitaly Janelt.

Attempt blocked. Gabriel Jesus (Arsenal) left footed shot from the left side of the box is blocked. Assisted by Oleksandr Zinchenko.

Hand ball by Gabriel Jesus (Arsenal).

Delay over. They are ready to continue.

Delay in match (Arsenal).

Attempt missed. Leandro Trossard (Arsenal) header from the centre of the box is just a bit too high. Assisted by Oleksandr Zinchenko with a cross.

Attempt missed. Christian Nørgaard (Brentford) right footed shot from outside the box is too high.

Leandro Trossard (Arsenal) wins a free kick in the defensive half.

Foul by Frank Onyeka (Brentford).

Foul by Martin Ødegaard (Arsenal).

Bryan Mbeumo (Brentford) wins a free kick in the defensive half.

Corner, Arsenal. Conceded by Frank Onyeka.

Declan Rice (Arsenal) wins a free kick in the defensive half.

Foul by Christian Nørgaard (Brentford).

Attempt missed. Yoane Wissa (Brentford) right footed shot from the right side of the six yard box is close, but misses to the right.

Attempt blocked. Bryan Mbeumo (Brentford) left footed shot from the centre of the box is blocked. Assisted by Yoane Wissa.

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

Foul by Bryan Mbeumo (Brentford).

Attempt missed. Leandro Trossard (Arsenal) right footed shot from outside the box is too high. Assisted by Bukayo Saka following a corner.

Corner, Arsenal. Conceded by Vitaly Janelt.

Offside, Brentford. Bryan Mbeumo tries a through ball, but Saman Ghoddos is caught offside.

Offside, Arsenal. Oleksandr Zinchenko tries a through ball, but Gabriel Jesus is caught offside.

Attempt missed. Gabriel Martinelli (Arsenal) header from the centre of the box misses to the left. Assisted by Martin Ødegaard with a cross following a set piece situation.

Leandro Trossard (Arsenal) wins a free kick on the left wing.

Foul by Frank Onyeka (Brentford).

Hand ball by Yehor Yarmoliuk (Brentford).

First Half begins.

Lineups are announced and players are warming up.