Match ends, Chelsea 2, Watford 1.

Second Half ends, Chelsea 2, Watford 1.

Attempt saved. Hakim Ziyech (Chelsea) left footed shot from the right side of the box is saved in the bottom left corner. Assisted by Malang Sarr with a cross.

Foul by Hakim Ziyech (Chelsea).

Tom Cleverley (Watford) wins a free kick in the defensive half.

Goal! Chelsea 2, Watford 1. Ross Barkley (Chelsea) header from very close range to the bottom right corner. Assisted by Reece James.

Substitution, Chelsea. Ben Chilwell replaces Mason Mount.

Reece James (Chelsea) wins a free kick on the right wing.

Foul by Moussa Sissoko (Watford).

Goal! Chelsea 1, Watford 1. Dan Gosling (Watford) header from the centre of the box to the bottom left corner. Assisted by Adam Masina with a cross.

Offside, Watford. Kiko Femenía tries a through ball, but Cucho Hernández is caught offside.

Foul by Hakim Ziyech (Chelsea).

Samir (Watford) wins a free kick in the defensive half.

Ross Barkley (Chelsea) wins a free kick in the attacking half.

Foul by Tom Cleverley (Watford).

Attempt missed. Kai Havertz (Chelsea) left footed shot from the left side of the box misses to the left. Assisted by Ross Barkley.

Foul by Mason Mount (Chelsea).

Moussa Sissoko (Watford) wins a free kick in the defensive half.

Substitution, Watford. Dan Gosling replaces Edo Kayembe.

Attempt saved. Ross Barkley (Chelsea) right footed shot from outside the box is saved in the centre of the goal. Assisted by N'Golo Kanté.

Attempt missed. Edo Kayembe (Watford) left footed shot from more than 35 yards misses to the left.

Substitution, Watford. Adam Masina replaces Hassane Kamara because of an injury.

Reece James (Chelsea) wins a free kick in the defensive half.

Foul by Ken Sema (Watford).

Substitution, Watford. Cucho Hernández replaces Joshua King.

Attempt missed. Mason Mount (Chelsea) right footed shot from the centre of the box is high and wide to the right following a corner.

Corner, Chelsea. Conceded by Daniel Bachmann.

Attempt saved. Ross Barkley (Chelsea) right footed shot from outside the box is saved in the top centre of the goal. Assisted by N'Golo Kanté.

Mason Mount (Chelsea) wins a free kick in the defensive half.

Foul by Moussa Sissoko (Watford).

Foul by Kai Havertz (Chelsea).

Samir (Watford) wins a free kick in the defensive half.

Substitution, Chelsea. Ross Barkley replaces Antonio Rüdiger.

Attempt saved. Hakim Ziyech (Chelsea) left footed shot from outside the box is saved in the bottom right corner. Assisted by Reece James.

Attempt blocked. Saúl Ñíguez (Chelsea) left footed shot from outside the box is blocked. Assisted by Hakim Ziyech.

Substitution, Chelsea. Malang Sarr replaces Kenedy.

Hand ball by Ken Sema (Watford).

Attempt blocked. Ken Sema (Watford) left footed shot from outside the box is blocked.

Foul by N'Golo Kanté (Chelsea).

Ken Sema (Watford) wins a free kick in the attacking half.

Corner, Watford. Conceded by Édouard Mendy.

Attempt saved. João Pedro (Watford) left footed shot from the centre of the box is saved in the centre of the goal. Assisted by Tom Cleverley.

Second Half begins Chelsea 1, Watford 0.

First Half ends, Chelsea 1, Watford 0.

Kai Havertz (Chelsea) hits the bar with a left footed shot from a difficult angle on the left. Assisted by Kenedy.

Corner, Chelsea. Conceded by Kiko Femenía.

Attempt blocked. Mason Mount (Chelsea) right footed shot from the centre of the box is blocked. Assisted by Reece James.

Attempt blocked. Kai Havertz (Chelsea) left footed shot from the centre of the box is blocked. Assisted by Mason Mount.

Attempt saved. Mason Mount (Chelsea) right footed shot from the right side of the box is saved in the centre of the goal.

Kai Havertz (Chelsea) wins a free kick in the attacking half.

Foul by Samir (Watford).

Offside, Watford. Joshua King tries a through ball, but Edo Kayembe is caught offside.

N'Golo Kanté (Chelsea) wins a free kick in the attacking half.

Foul by Tom Cleverley (Watford).

Corner, Watford. Conceded by Édouard Mendy.

Attempt saved. Kiko Femenía (Watford) right footed shot from the right side of the box is saved in the bottom right corner. Assisted by Ken Sema with a cross.

Corner, Watford. Conceded by César Azpilicueta.

Attempt missed. Edo Kayembe (Watford) left footed shot from outside the box is close, but misses to the right. Assisted by Joshua King.

Attempt blocked. Tom Cleverley (Watford) right footed shot from outside the box is blocked. Assisted by Ken Sema.

Hand ball by N'Golo Kanté (Chelsea).

Attempt missed. Mason Mount (Chelsea) header from the left side of the six yard box is close, but misses to the left. Assisted by Hakim Ziyech with a cross.

Foul by César Azpilicueta (Chelsea).

Hassane Kamara (Watford) wins a free kick in the defensive half.

Attempt missed. Saúl Ñíguez (Chelsea) left footed shot from outside the box misses to the left. Assisted by Kai Havertz.

Kai Havertz (Chelsea) wins a free kick in the defensive half.

Foul by Moussa Sissoko (Watford).

Attempt blocked. Moussa Sissoko (Watford) right footed shot from outside the box is blocked.

Foul by Saúl Ñíguez (Chelsea).

Edo Kayembe (Watford) wins a free kick in the attacking half.

Goal! Chelsea 1, Watford 0. Kai Havertz (Chelsea) right footed shot from very close range to the centre of the goal. Assisted by Kenedy.

Attempt missed. Mason Mount (Chelsea) right footed shot from the centre of the box misses to the left. Assisted by Saúl Ñíguez.

Attempt blocked. Saúl Ñíguez (Chelsea) left footed shot from outside the box is blocked.

Attempt blocked. Kenedy (Chelsea) left footed shot from the left side of the box is blocked. Assisted by Kai Havertz.

Corner, Chelsea. Conceded by Hassane Kamara.

Attempt saved. Kai Havertz (Chelsea) left footed shot from the left side of the box is saved in the centre of the goal. Assisted by Mason Mount with a through ball.

Hakim Ziyech (Chelsea) wins a free kick on the right wing.

Foul by Hassane Kamara (Watford).

First Half begins.

Lineups are announced and players are warming up.