Match ends, Chelsea 1, Zenit St Petersburg 0.

Second Half ends, Chelsea 1, Zenit St Petersburg 0.

Corner, Chelsea. Conceded by Douglas Santos.

Attempt blocked. Romelu Lukaku (Chelsea) right footed shot from the centre of the box is blocked. Assisted by Mateo Kovacic.

Foul by Reece James (Chelsea).

Artem Dzyuba (Zenit St Petersburg) wins a free kick in the defensive half.

Substitution, Chelsea. Ruben Loftus-Cheek replaces Mason Mount.

Substitution, Zenit St Petersburg. Daniil Krugovoy replaces Yaroslav Rakitskiy.

Substitution, Zenit St Petersburg. Andrey Mostovoy replaces Claudinho.

Substitution, Chelsea. Ben Chilwell replaces Marcos Alonso.

Substitution, Chelsea. Thiago Silva replaces César Azpilicueta.

Substitution, Zenit St Petersburg. Kirill Kravtsov replaces Daler Kuzyaev.

Attempt missed. Artem Dzyuba (Zenit St Petersburg) left footed shot from very close range misses to the left. Assisted by Sardar Azmoun.

Attempt missed. Marcos Alonso (Chelsea) left footed shot from the centre of the box is close, but misses to the right. Assisted by Mason Mount.

Foul by Mason Mount (Chelsea).

Daler Kuzyaev (Zenit St Petersburg) wins a free kick in the defensive half.

Marcos Alonso (Chelsea) wins a free kick in the defensive half.

Foul by Daler Kuzyaev (Zenit St Petersburg).

Substitution, Zenit St Petersburg. Aleksandr Erokhin replaces Wendel.

Substitution, Zenit St Petersburg. Artem Dzyuba replaces Malcom.

Attempt blocked. Mateo Kovacic (Chelsea) right footed shot from outside the box is blocked. Assisted by Reece James with a headed pass.

Goal! Chelsea 1, Zenit St Petersburg 0. Romelu Lukaku (Chelsea) header from the centre of the box to the bottom left corner. Assisted by César Azpilicueta with a cross.

Attempt saved. Wendel (Zenit St Petersburg) right footed shot from the left side of the box is saved in the bottom right corner.

Corner, Chelsea. Conceded by Douglas Santos.

Corner, Chelsea. Conceded by Yaroslav Rakitskiy.

Foul by Kai Havertz (Chelsea).

Stanislav Kritsyuk (Zenit St Petersburg) wins a free kick in the defensive half.

Substitution, Chelsea. Kai Havertz replaces Hakim Ziyech.

Yaroslav Rakitskiy (Zenit St Petersburg) is shown the yellow card for a bad foul.

Mason Mount (Chelsea) wins a free kick on the right wing.

Foul by Yaroslav Rakitskiy (Zenit St Petersburg).

Attempt blocked. Sardar Azmoun (Zenit St Petersburg) right footed shot from the centre of the box is blocked.

Andreas Christensen (Chelsea) wins a free kick in the defensive half.

Foul by Claudinho (Zenit St Petersburg).

Hakim Ziyech (Chelsea) wins a free kick in the defensive half.

Foul by Wilmar Barrios (Zenit St Petersburg).

Attempt missed. Reece James (Chelsea) left footed shot from the right side of the box is close, but misses to the right. Assisted by Romelu Lukaku.

Attempt missed. Douglas Santos (Zenit St Petersburg) left footed shot from outside the box misses to the right. Assisted by Malcom with a headed pass following a corner.

Corner, Zenit St Petersburg. Conceded by Marcos Alonso.

Corner, Zenit St Petersburg. Conceded by Andreas Christensen.

Attempt missed. Antonio Rüdiger (Chelsea) right footed shot from the centre of the box misses to the right. Assisted by Reece James.

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

Second Half begins Chelsea 0, Zenit St Petersburg 0.

First Half ends, Chelsea 0, Zenit St Petersburg 0.

César Azpilicueta (Chelsea) is shown the yellow card for a bad foul.

Foul by César Azpilicueta (Chelsea).

Sardar Azmoun (Zenit St Petersburg) wins a free kick on the left wing.

Attempt missed. Romelu Lukaku (Chelsea) header from the centre of the box is too high. Assisted by Reece James with a cross.

Corner, Chelsea. Conceded by Daler Kuzyaev.

Corner, Chelsea. Conceded by Douglas Santos.

Attempt saved. Yaroslav Rakitskiy (Zenit St Petersburg) left footed shot from outside the box is saved in the top centre of the goal. Assisted by Douglas Santos with a cross.

Corner, Zenit St Petersburg. Conceded by Jorginho.

Foul by Mason Mount (Chelsea).

Douglas Santos (Zenit St Petersburg) wins a free kick in the defensive half.

Corner, Chelsea. Conceded by Aleksey Sutormin.

Foul by Jorginho (Chelsea).

Wendel (Zenit St Petersburg) wins a free kick in the defensive half.

Attempt blocked. Romelu Lukaku (Chelsea) left footed shot from the left side of the box is blocked. Assisted by Mason Mount.

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

Corner, Chelsea. Conceded by Dmitriy Chistyakov.

Attempt missed. Daler Kuzyaev (Zenit St Petersburg) right footed shot from outside the box is too high. Assisted by Douglas Santos following a set piece situation.

Foul by Jorginho (Chelsea).

Claudinho (Zenit St Petersburg) wins a free kick in the attacking half.

Offside, Zenit St Petersburg. Aleksey Sutormin tries a through ball, but Malcom is caught offside.

Hand ball by Marcos Alonso (Chelsea).

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

Mateo Kovacic (Chelsea) wins a free kick in the defensive half.

Foul by Malcom (Zenit St Petersburg).

Corner, Zenit St Petersburg. Conceded by Reece James.

Foul by Hakim Ziyech (Chelsea).

Daler Kuzyaev (Zenit St Petersburg) wins a free kick in the defensive half.

First Half begins.

Lineups are announced and players are warming up.