Match ends, Rennes 1, Chelsea 2.

Second Half ends, Rennes 1, Chelsea 2.

Benjamin Bourigeaud (Rennes) is shown the yellow card for a bad foul.

Foul by Benjamin Bourigeaud (Rennes).

Kurt Zouma (Chelsea) wins a free kick in the defensive half.

Substitution, Chelsea. Reece James replaces Timo Werner.

Goal! Rennes 1, Chelsea 2. Olivier Giroud (Chelsea) header from the centre of the box to the top left corner.

Attempt saved. Timo Werner (Chelsea) right footed shot from the centre of the box is saved in the centre of the goal. Assisted by Hakim Ziyech.

Attempt saved. Ben Chilwell (Chelsea) header from the centre of the box is saved in the top left corner. Assisted by Hakim Ziyech.

Clément Grenier (Rennes) is shown the yellow card for a bad foul.

Foul by Clément Grenier (Rennes).

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

Substitution, Rennes. Yann Gboho replaces Jéremy Doku.

Substitution, Rennes. Faitout Maouassa replaces Adrien Truffert.

Substitution, Rennes. M'Baye Niang replaces Serhou Guirassy.

Goal! Rennes 1, Chelsea 1. Serhou Guirassy (Rennes) header from the centre of the box to the high centre of the goal. Assisted by Benjamin Bourigeaud with a cross following a corner.

Corner, Rennes. Conceded by Thiago Silva.

Substitution, Rennes. Clément Grenier replaces Eduardo Camavinga.

Foul by Benjamin Bourigeaud (Rennes).

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

Substitution, Chelsea. Kai Havertz replaces Mateo Kovacic.

Substitution, Chelsea. Hakim Ziyech replaces Callum Hudson-Odoi.

Offside, Chelsea. Édouard Mendy tries a through ball, but Olivier Giroud is caught offside.

Attempt saved. Gerzino Nyamsi (Rennes) header from the centre of the box is saved in the top centre of the goal. Assisted by Benjamin Bourigeaud with a cross.

Corner, Rennes. Conceded by Édouard Mendy.

Attempt saved. Serhou Guirassy (Rennes) right footed shot from a difficult angle on the left is saved in the bottom left corner. Assisted by Romain Del Castillo.

Benjamin Bourigeaud (Rennes) wins a free kick in the attacking half.

Foul by Olivier Giroud (Chelsea).

Attempt blocked. Eduardo Camavinga (Rennes) left footed shot from outside the box is blocked. Assisted by Benjamin Bourigeaud.

Foul by Damien Da Silva (Rennes).

Olivier Giroud (Chelsea) wins a free kick in the defensive half.

Substitution, Chelsea. Olivier Giroud replaces Tammy Abraham.

Substitution, Chelsea. N'Golo Kanté replaces Mason Mount.

Foul by Tammy Abraham (Chelsea).

Gerzino Nyamsi (Rennes) wins a free kick in the defensive half.

Substitution, Rennes. Romain Del Castillo replaces James Lea Siliki.

Corner, Chelsea. Conceded by Gerzino Nyamsi.

Foul by Gerzino Nyamsi (Rennes).

Timo Werner (Chelsea) wins a free kick in the defensive half.

Attempt blocked. James Lea Siliki (Rennes) left footed shot from the right side of the box is blocked.

Corner, Rennes. Conceded by Ben Chilwell.

Corner, Rennes. Conceded by Tammy Abraham.

Corner, Rennes. Conceded by Thiago Silva.

Attempt blocked. Hamari Traoré (Rennes) left footed shot from outside the box is blocked. Assisted by Jéremy Doku.

Foul by Gerzino Nyamsi (Rennes).

Tammy Abraham (Chelsea) wins a free kick on the right wing.

Foul by Serhou Guirassy (Rennes).

César Azpilicueta (Chelsea) wins a free kick in the defensive half.

Foul by Ben Chilwell (Chelsea).

Serhou Guirassy (Rennes) wins a free kick on the right wing.

Offside, Chelsea. César Azpilicueta tries a through ball, but Timo Werner is caught offside.

Second Half begins Rennes 0, Chelsea 1.

First Half ends, Rennes 0, Chelsea 1.

Corner, Rennes. Conceded by César Azpilicueta.

Attempt blocked. Benjamin Bourigeaud (Rennes) right footed shot from outside the box is blocked.

Foul by Thiago Silva (Chelsea).

Serhou Guirassy (Rennes) wins a free kick in the attacking half.

Corner, Rennes. Conceded by Ben Chilwell.

Attempt saved. Damien Da Silva (Rennes) header from the centre of the box is saved in the centre of the goal. Assisted by Benjamin Bourigeaud with a cross.

Corner, Rennes. Conceded by Jorginho.

Corner, Rennes. Conceded by Thiago Silva.

Attempt saved. Serhou Guirassy (Rennes) right footed shot from outside the box is saved in the bottom left corner. Assisted by Adrien Truffert.

Foul by Thiago Silva (Chelsea).

Serhou Guirassy (Rennes) wins a free kick in the attacking half.

Tammy Abraham (Chelsea) wins a free kick in the attacking half.

Foul by Damien Da Silva (Rennes).

Attempt missed. Eduardo Camavinga (Rennes) left footed shot from outside the box is high and wide to the left. Assisted by Hamari Traoré with a headed pass.

Foul by Kurt Zouma (Chelsea).

Serhou Guirassy (Rennes) wins a free kick in the attacking half.

Tammy Abraham (Chelsea) wins a free kick on the left wing.

Dangerous play by Hamari Traoré (Rennes).

Attempt missed. James Lea Siliki (Rennes) right footed shot from the centre of the box is too high.

Attempt blocked. Benjamin Bourigeaud (Rennes) right footed shot from the centre of the box is blocked. Assisted by Jéremy Doku with a cross.

Attempt missed. Mateo Kovacic (Chelsea) right footed shot from outside the box is too high. Assisted by Jorginho following a corner.

Corner, Chelsea. Conceded by Alfred Gomis.

Attempt saved. Mason Mount (Chelsea) right footed shot from the left side of the six yard box is saved in the bottom left corner. Assisted by Ben Chilwell.

Corner, Rennes. Conceded by Callum Hudson-Odoi.

César Azpilicueta (Chelsea) wins a free kick on the right wing.

Foul by Serhou Guirassy (Rennes).

Goal! Rennes 0, Chelsea 1. Callum Hudson-Odoi (Chelsea) right footed shot from the centre of the box to the bottom right corner. Assisted by Mason Mount with a through ball following a fast break.

Foul by Callum Hudson-Odoi (Chelsea).

James Lea Siliki (Rennes) wins a free kick in the defensive half.

Ben Chilwell (Chelsea) wins a free kick on the left wing.

Foul by Jéremy Doku (Rennes).

Attempt missed. Gerzino Nyamsi (Rennes) left footed shot from the centre of the box misses to the right. Assisted by Benjamin Bourigeaud with a cross following a corner.

Corner, Rennes. Conceded by Kurt Zouma.

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

Foul by Eduardo Camavinga (Rennes).

Foul by Ben Chilwell (Chelsea).

Serhou Guirassy (Rennes) wins a free kick in the defensive half.

Foul by Mateo Kovacic (Chelsea).

James Lea Siliki (Rennes) wins a free kick in the defensive half.

Attempt missed. César Azpilicueta (Chelsea) header from the centre of the box misses to the left. Assisted by Mason Mount with a cross following a corner.

Corner, Chelsea. Conceded by Benjamin Bourigeaud.

Hand ball by James Lea Siliki (Rennes).

Attempt missed. Timo Werner (Chelsea) right footed shot from the centre of the box is too high. Assisted by Callum Hudson-Odoi with a cross.

Attempt blocked. Ben Chilwell (Chelsea) left footed shot from the left side of the box is blocked. Assisted by Timo Werner.

First Half begins.

Lineups are announced and players are warming up.