Match ends, West Ham United 3, Chelsea 1.

Second Half ends, West Ham United 3, Chelsea 1.

Goal! West Ham United 3, Chelsea 1. Lucas Paquetá (West Ham United) converts the penalty with a left footed shot to the bottom right corner.

Penalty conceded by Moisés Caicedo (Chelsea) after a foul in the penalty area.

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

Corner, Chelsea. Conceded by Emerson.

Corner, Chelsea. Conceded by Alphonse Areola.

Attempt saved. Noni Madueke (Chelsea) left footed shot from outside the box is saved in the bottom right corner. Assisted by Mykhailo Mudryk.

Attempt saved. Pablo Fornals (West Ham United) right footed shot from the left side of the box is saved in the bottom left corner.

Foul by Axel Disasi (Chelsea).

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

Foul by Levi Colwill (Chelsea).

Vladimír Coufal (West Ham United) wins a free kick in the defensive half.

Offside, Chelsea. Mykhailo Mudryk tries a through ball, but Raheem Sterling is caught offside.

Attempt missed. Mykhailo Mudryk (Chelsea) right footed shot from the left side of the box misses to the right. Assisted by Raheem Sterling with a cross.

Moisés Caicedo (Chelsea) wins a free kick on the left wing.

Foul by Pablo Fornals (West Ham United).

Corner, Chelsea. Conceded by Vladimír Coufal.

Substitution, Chelsea. Mason Burstow replaces Malo Gusto.

Corner, Chelsea. Conceded by Edson Álvarez.

Moisés Caicedo (Chelsea) wins a free kick in the defensive half.

Foul by Tomás Soucek (West Ham United).

Substitution, West Ham United. Edson Álvarez replaces James Ward-Prowse.

Attempt missed. Levi Colwill (Chelsea) left footed shot from outside the box is close, but misses to the right.

Attempt saved. Jarrod Bowen (West Ham United) left footed shot from outside the box is saved in the bottom right corner. Assisted by Pablo Fornals.

Mykhailo Mudryk (Chelsea) wins a free kick on the left wing.

Foul by Vladimír Coufal (West Ham United).

Substitution, West Ham United. Pablo Fornals replaces Michail Antonio.

Foul by Moisés Caicedo (Chelsea).

Michail Antonio (West Ham United) wins a free kick in the defensive half.

Substitution, Chelsea. Noni Madueke replaces Conor Gallagher.

Nicolas Jackson (Chelsea) is shown the yellow card.

Substitution, West Ham United. Angelo Ogbonna replaces Saïd Benrahma.

Second yellow card to Nayef Aguerd (West Ham United) for a bad foul.

Nicolas Jackson (Chelsea) wins a free kick in the attacking half.

Foul by Nayef Aguerd (West Ham United).

Attempt missed. Saïd Benrahma (West Ham United) right footed shot from outside the box misses to the left. Assisted by Lucas Paquetá following a corner.

Corner, West Ham United. Conceded by Malo Gusto.

Attempt missed. Moisés Caicedo (Chelsea) right footed shot from outside the box is high and wide to the right.

Attempt blocked. Conor Gallagher (Chelsea) left footed shot from the centre of the box is blocked. Assisted by Enzo Fernández.

Attempt blocked. Raheem Sterling (Chelsea) left footed shot from a difficult angle on the right is blocked. Assisted by Mykhailo Mudryk with a cross.

Substitution, Chelsea. Moisés Caicedo replaces Ben Chilwell.

Raheem Sterling (Chelsea) wins a free kick on the right wing.

Foul by Emerson (West Ham United).

Goal! West Ham United 2, Chelsea 1. Michail Antonio (West Ham United) right footed shot from the centre of the box to the bottom left corner. Assisted by James Ward-Prowse.

Attempt blocked. James Ward-Prowse (West Ham United) right footed shot from outside the box is blocked. Assisted by Lucas Paquetá.

Offside, West Ham United. Lucas Paquetá tries a through ball, but Saïd Benrahma is caught offside.

Foul by Raheem Sterling (Chelsea).

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

Axel Disasi (Chelsea) wins a free kick on the right wing.

Foul by Michail Antonio (West Ham United).

Foul by Conor Gallagher (Chelsea).

Lucas Paquetá (West Ham United) wins a free kick in the defensive half.

Second Half begins West Ham United 1, Chelsea 1.

Substitution, Chelsea. Mykhailo Mudryk replaces Carney Chukwuemeka because of an injury.

First Half ends, West Ham United 1, Chelsea 1.

Offside, West Ham United. Alphonse Areola tries a through ball, but Jarrod Bowen is caught offside.

Delay over. They are ready to continue.

Delay in match because of an injury Carney Chukwuemeka (Chelsea).

Foul by Ben Chilwell (Chelsea).

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

Corner, Chelsea. Conceded by Alphonse Areola.

Corner, Chelsea. Conceded by Jarrod Bowen.

Enzo Fernández (Chelsea) wins a free kick in the attacking half.

Foul by Lucas Paquetá (West Ham United).

Attempt blocked. Ben Chilwell (Chelsea) right footed shot from the centre of the box is blocked. Assisted by Carney Chukwuemeka.

Emerson (West Ham United) is shown the yellow card for a bad foul.

Raheem Sterling (Chelsea) wins a free kick on the right wing.

Foul by Emerson (West Ham United).

Attempt missed. Saïd Benrahma (West Ham United) right footed shot from outside the box is high and wide to the right. Assisted by Emerson.

Penalty saved! Enzo Fernández (Chelsea) fails to capitalise on this great opportunity, right footed shot saved in the bottom left corner.

Penalty Chelsea. Raheem Sterling draws a foul in the penalty area.

Penalty conceded by Tomás Soucek (West Ham United) after a foul in the penalty area.

Carney Chukwuemeka (Chelsea) is shown the yellow card for a bad foul.

Foul by Carney Chukwuemeka (Chelsea).

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

Lucas Paquetá (West Ham United) hits the right post with a left footed shot from the centre of the box. Assisted by Tomás Soucek.

Axel Disasi (Chelsea) is shown the yellow card for a bad foul.

Foul by Axel Disasi (Chelsea).

Michail Antonio (West Ham United) wins a free kick in the defensive half.

Attempt missed. Malo Gusto (Chelsea) right footed shot from outside the box misses to the left following a corner.

Lucas Paquetá (West Ham United) is shown the yellow card.

Corner, Chelsea. Conceded by Nayef Aguerd.

Offside, West Ham United. Vladimír Coufal tries a through ball, but Jarrod Bowen is caught offside.

Attempt missed. Levi Colwill (Chelsea) header from the centre of the box misses to the right. Assisted by Enzo Fernández with a cross following a corner.

Corner, Chelsea. Conceded by Vladimír Coufal.

Goal! West Ham United 1, Chelsea 1. Carney Chukwuemeka (Chelsea) right footed shot from the left side of the box to the bottom right corner.

Attempt missed. Ben Chilwell (Chelsea) header from the centre of the box misses to the left. Assisted by Enzo Fernández with a cross.

Levi Colwill (Chelsea) wins a free kick on the left wing.

Foul by Jarrod Bowen (West Ham United).

Attempt missed. Nicolas Jackson (Chelsea) right footed shot from the centre of the box is too high.

Attempt saved. Conor Gallagher (Chelsea) right footed shot from outside the box is saved in the top centre of the goal. Assisted by Enzo Fernández.

Attempt blocked. Thiago Silva (Chelsea) header from the centre of the box is blocked. Assisted by Ben Chilwell with a cross.

Corner, Chelsea. Conceded by Nayef Aguerd.

Attempt blocked. Saïd Benrahma (West Ham United) right footed shot from outside the box is blocked. Assisted by Tomás Soucek.

Attempt missed. Nicolas Jackson (Chelsea) header from very close range is too high. Assisted by Ben Chilwell with a cross following a set piece situation.

Nayef Aguerd (West Ham United) is shown the yellow card for a bad foul.

Raheem Sterling (Chelsea) wins a free kick in the attacking half.

Foul by Nayef Aguerd (West Ham United).

Attempt blocked. Michail Antonio (West Ham United) left footed shot from the centre of the box is blocked. Assisted by Tomás Soucek.

Raheem Sterling (Chelsea) wins a free kick in the attacking half.

Foul by Saïd Benrahma (West Ham United).

Offside, Chelsea. Enzo Fernández tries a through ball, but Nicolas Jackson is caught offside.

Goal! West Ham United 1, Chelsea 0. Nayef Aguerd (West Ham United) header from very close range to the bottom left corner. Assisted by James Ward-Prowse with a cross following a corner.

Corner, West Ham United. Conceded by Conor Gallagher.

Attempt saved. Jarrod Bowen (West Ham United) left footed shot from very close range is saved in the centre of the goal.

Corner, West Ham United. Conceded by Thiago Silva.

Delay over. They are ready to continue.

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

Attempt missed. Enzo Fernández (Chelsea) right footed shot from outside the box misses to the right. Assisted by Nicolas Jackson.

First Half begins.

Lineups are announced and players are warming up.