Match ends, Chelsea 6, Middlesbrough 1.

Second Half ends, Chelsea 6, Middlesbrough 1.

Offside, Middlesbrough. Alex Gilbert is caught offside.

Substitution, Middlesbrough. Alex Gilbert replaces Matt Crooks.

Goal! Chelsea 6, Middlesbrough 1. Morgan Rogers (Middlesbrough) right footed shot from outside the box to the bottom right corner. Assisted by Hayden Hackney following a fast break.

Substitution, Chelsea. Leo Castledine replaces Raheem Sterling.

Corner, Chelsea. Conceded by Lewis O'Brien.

Offside, Middlesbrough. Matt Crooks is caught offside.

Goal! Chelsea 6, Middlesbrough 0. Noni Madueke (Chelsea) left footed shot from the centre of the box to the high centre of the goal. Assisted by Conor Gallagher with a through ball.

Goal! Chelsea 5, Middlesbrough 0. Cole Palmer (Chelsea) right footed shot from the centre of the box to the centre of the goal. Assisted by Conor Gallagher.

Corner, Chelsea. Conceded by Matt Clarke.

Attempt blocked. Raheem Sterling (Chelsea) left footed shot from the left side of the six yard box is blocked.

Corner, Chelsea. Conceded by Dael Fry.

Substitution, Chelsea. Carney Chukwuemeka replaces Moisés Caicedo.

Offside, Middlesbrough. Morgan Rogers is caught offside.

Substitution, Middlesbrough. Lewis O'Brien replaces Jonny Howson.

Foul by Thiago Silva (Chelsea).

Anfernee Dijksteel (Middlesbrough) wins a free kick in the defensive half.

Corner, Chelsea. Conceded by Matt Clarke.

Substitution, Chelsea. Conor Gallagher replaces Armando Broja.

Substitution, Chelsea. Alfie Gilchrist replaces Ben Chilwell.

Rav van den Berg (Middlesbrough) is shown the yellow card for a bad foul.

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

Foul by Rav van den Berg (Middlesbrough).

Offside, Middlesbrough. Matt Crooks is caught offside.

Attempt blocked. Morgan Rogers (Middlesbrough) left footed shot from the centre of the box is blocked. Assisted by Anfernee Dijksteel.

Foul by Armando Broja (Chelsea).

Dael Fry (Middlesbrough) wins a free kick in the defensive half.

Thiago Silva (Chelsea) wins a free kick in the defensive half.

Foul by Morgan Rogers (Middlesbrough).

Foul by Cole Palmer (Chelsea).

Hayden Hackney (Middlesbrough) wins a free kick in the defensive half.

Offside, Middlesbrough. Morgan Rogers is caught offside.

Attempt missed. Enzo Fernández (Chelsea) right footed shot from outside the box is too high.

Ben Chilwell (Chelsea) wins a free kick in the defensive half.

Foul by Matt Crooks (Middlesbrough).

Thiago Silva (Chelsea) is shown the yellow card for a bad foul.

Foul by Thiago Silva (Chelsea).

Morgan Rogers (Middlesbrough) wins a free kick on the right wing.

Attempt missed. Levi Colwill (Chelsea) left footed shot from the right side of the box misses to the left. Assisted by Ben Chilwell.

Delay over. They are ready to continue.

Delay in match because of an injury Noni Madueke (Chelsea).

Corner, Chelsea. Conceded by Matt Clarke.

Substitution, Chelsea. Noni Madueke replaces Mykhailo Mudryk.

Second Half begins Chelsea 4, Middlesbrough 0.

Substitution, Middlesbrough. Anfernee Dijksteel replaces Marcus Forss.

First Half ends, Chelsea 4, Middlesbrough 0.

Corner, Chelsea. Conceded by Jonny Howson.

Goal! Chelsea 4, Middlesbrough 0. Cole Palmer (Chelsea) left footed shot from the centre of the box to the bottom left corner.

Matt Crooks (Middlesbrough) is shown the yellow card for a bad foul.

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

Foul by Matt Crooks (Middlesbrough).

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

Foul by Hayden Hackney (Middlesbrough).

Goal! Chelsea 3, Middlesbrough 0. Axel Disasi (Chelsea) right footed shot from the centre of the box to the bottom left corner. Assisted by Raheem Sterling following a fast break.

Offside, Chelsea. Raheem Sterling is caught offside.

Attempt saved. Enzo Fernández (Chelsea) right footed shot from the centre of the box is saved in the centre of the goal. Assisted by Cole Palmer with a through ball.

Goal! Chelsea 2, Middlesbrough 0. Enzo Fernández (Chelsea) right footed shot from the centre of the box to the top left corner.

Attempt blocked. Armando Broja (Chelsea) right footed shot from the centre of the box is blocked. Assisted by Axel Disasi.

Attempt blocked. Axel Disasi (Chelsea) right footed shot from outside the box is blocked. Assisted by Enzo Fernández.

Attempt saved. Morgan Rogers (Middlesbrough) right footed shot from the centre of the box is saved in the bottom left corner. Assisted by Marcus Forss.

Corner, Middlesbrough. Conceded by Axel Disasi.

Attempt blocked. Marcus Forss (Middlesbrough) left footed shot from outside the box is blocked.

Own Goal by Jonny Howson, Middlesbrough. Chelsea 1, Middlesbrough 0.

Mykhailo Mudryk (Chelsea) is shown the yellow card.

Attempt missed. Ben Chilwell (Chelsea) header from the centre of the box is too high. Assisted by Thiago Silva with a through ball.

Corner, Chelsea. Conceded by Hayden Hackney.

Attempt blocked. Mykhailo Mudryk (Chelsea) right footed shot from outside the box is blocked. Assisted by Enzo Fernández.

Offside, Middlesbrough. Jonny Howson is caught offside.

Daniel Barlaser (Middlesbrough) wins a free kick in the defensive half.

Foul by Moisés Caicedo (Chelsea).

First Half begins.

Lineups are announced and players are warming up.