SUBSTITUTION: A. Lacazette COMES ON FOR B. Saka
Penalty conceded by César Azpilicueta - Chelsea - after a foul in the penalty area.
Penalty Arsenal. Bukayo Saka draws a foul in the penalty area.
Goal! Chelsea 2, Arsenal 4. Bukayo Saka - Arsenal - converts the penalty with a shot with left foot to the right corner.
Gabriel Magalhães - Arsenal - receive yellow card.
César Azpilicueta - Chelsea - receive yellow card.
Corner - Chelsea. Conceded by Rob Holding.
Missed chance. Nuno Tavares - Arsenal - shot with right foot from more than 35 yards is high and wide to the left.
Mason Mount - Chelsea - receive yellow card for a foul.
Fouled by Mason Mount - Chelsea
Cédric Soares - Arsenal - won a free kick in attack.
Missed chance. Nuno Tavares - Arsenal - shot with right foot from the left side of the box missed to the left. Assist - Cédric Soares.
SUBSTITUTION: H. Ziyech COMES ON FOR M. Alonso
Substitution - Chelsea. Hakim Ziyech for Marcos Alonso.
Martin Ødegaard - Arsenal - won a free kick in defence.
Fouled by Malang Sarr - Chelsea
SUBSTITUTION: C. Soares COMES ON FOR E. Smith Rowe
Substitution - Arsenal. Cédric Soares for Emile Smith Rowe.
Missed chance. Bukayo Saka - Arsenal - shot with right foot from the centre of the box missed to the left. Assist - Cédric Soares.
SUBSTITUTION: G. Martinelli COMES ON FOR E. Nketiah
Substitution - Arsenal. Gabriel Martinelli for Eddie Nketiah.
Missed chance. Timo Werner - Chelsea - shot with left foot from the right side of the box is close, but misses the top left corner. Assist - César Azpilicueta.
Offside - Arsenal. Bukayo Saka with a pass, however Eddie Nketiah is in offside.
Shot blocked. Marcos Alonso - Chelsea - shot with right foot from the centre of the box is blocked.
Malang Sarr - Chelsea - receive yellow card for a foul.
Fouled by Malang Sarr - Chelsea
Bukayo Saka - Arsenal - won a free kick in attack.
Shot blocked. Marcos Alonso - Chelsea - shot with right foot from the left side of the box is blocked. Assist - Timo Werner.
Corner - Chelsea. Conceded by Bukayo Saka.
SUBSTITUTION: K. Havertz COMES ON FOR R. Lukaku
Substitution - Chelsea. Kai Havertz for Romelu Lukaku.
Offside - Arsenal. Emile Smith Rowe with a pass, however Eddie Nketiah is in offside.
Goal! Chelsea 2, Arsenal 3. Eddie Nketiah - Arsenal - shot with left foot from the centre of the box to the left corner.
Édouard Mendy - Chelsea - won a free kick in defence.
Fouled by Benjamin White - Arsenal
Corner - Arsenal. Conceded by Thiago Silva.
Marcos Alonso - Chelsea - won a free kick in defence.
Fouled by Bukayo Saka - Arsenal
Shot blocked. Mohamed Elneny - Arsenal - shot with right foot from outside the box is blocked. Assist - Nuno Tavares.
Shot blocked. Marcos Alonso - Chelsea - shot with left foot from outside the box is blocked.
SUBSTITUTION: T. Silva COMES ON FOR A. Christensen
Missed chance. Timo Werner - Chelsea - shot with left foot from the left side of the box is close, but missed to the left. Assist - Mason Mount.
Substitution - Chelsea. Thiago Silva for Andreas Christensen.
Second Half starts Chelsea 2, Arsenal 2.
Missed chance. Emile Smith Rowe - Arsenal - shot with right foot from the centre of the box is close, but missed. Assist - Martin Ødegaard.
Hand ball by Bukayo Saka - Arsenal
First Half ended - Chelsea 2, Arsenal 2.
Fouled by Malang Sarr - Chelsea
Eddie Nketiah - Arsenal - won a free kick in attack.
Shot blocked. Granit Xhaka - Arsenal - shot with left foot from the centre of the box is blocked. Assist - Emile Smith Rowe.
Fouled by Marcos Alonso - Chelsea
Bukayo Saka - Arsenal - won a free kick in defence.
Missed chance. Marcos Alonso - Chelsea - shot with left foot from the left side of the box is high and wide to the left. Assist - Mason Mount.
Mason Mount - Chelsea - won a free kick on the right wing.
Fouled by Nuno Tavares - Arsenal
Missed chance. Eddie Nketiah - Arsenal - shot with left foot from outside the box is close, but missed. Assist - Mohamed Elneny.
Goal! Chelsea 2, Arsenal 2. César Azpilicueta - Chelsea - shot with right foot from the centre of the box to the left corner. Assist - Mason Mount with a cross.
Corner - Chelsea. Conceded by Mohamed Elneny.
Goal! Chelsea 1, Arsenal 2. Emile Smith Rowe - Arsenal - shot with right foot from outside the box to the right corner. Assist - Martin Ødegaard.
Shot blocked. Bukayo Saka - Arsenal - shot with left foot from the right side of the box is blocked. Assist - Martin Ødegaard.
Offside - Arsenal. Eddie Nketiah with a pass, however Nuno Tavares is in offside.
Missed chance. Eddie Nketiah - Arsenal - shot with the head from the centre of the box missed to the left.
Missed chance. Eddie Nketiah - Arsenal - shot with right foot from the centre of the box is close, but missed. Assist - Bukayo Saka.
Missed chance. Mason Mount - Chelsea - shot with right foot from the left side of the box missed. Assist - Marcos Alonso.
Goal! Chelsea 1, Arsenal 1. Timo Werner - Chelsea - shot with right foot from outside the box to the left corner.
Goal! Chelsea 0, Arsenal 1. Eddie Nketiah - Arsenal - shot with right foot from the centre of the box to the left corner.
Missed chance. Romelu Lukaku - Chelsea - shot with right foot from the right side of the box missed to the left. Assist - Ruben Loftus-Cheek.
Offside - Chelsea. Ruben Loftus-Cheek with a pass, however Romelu Lukaku is in offside.
Offside - Arsenal. Aaron Ramsdale with a pass, however Eddie Nketiah is in offside.
Corner - Chelsea. Conceded by Mohamed Elneny.
Mohamed Elneny - Arsenal - won a free kick in attack.
Fouled by Mason Mount - Chelsea
Hand ball by Rob Holding - Arsenal
Shot blocked. Marcos Alonso - Chelsea - shot with left foot from the centre of the box is blocked. Assist - Romelu Lukaku.
Corner - Chelsea. Conceded by Benjamin White.
Corner - Chelsea. Conceded by Aaron Ramsdale.
Ruben Loftus-Cheek - Chelsea - won a free kick on the right wing.
Fouled by Gabriel Magalhães - Arsenal
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium