Missed chance. Luke Berry - Luton Town - shot with the head from the centre of the box is high and wide to the right. Assist - Issa Kaboré with a cross.
New attacking attempt. Eddie Nketiah - Arsenal - shot with right foot from outside the box is saved in the left corner. Assist - Jorginho.
Corner - Arsenal. Conceded by Thomas Kaminski.
William Saliba - Arsenal - won a free kick in defence.
Shot blocked. Daiki Hashioka - Luton Town - shot with right foot from outside the box is blocked.
Fouled by Carlton Morris - Luton Town
SUBSTITUTION: Jorginho COMES ON FOR Emile Smith Rowe
Substitution - Arsenal. Jorginho for Emile Smith Rowe.
Fouled by Daiki Hashioka - Luton Town
Eddie Nketiah - Arsenal - won a free kick in defence.
Fouled by Gabriel Martinelli - Arsenal
Alfie Doughty - Luton Town - won a free kick in defence.
SUBSTITUTION: Luke Berry COMES ON FOR Andros Townsend
Substitution - Luton Town. Luke Berry for Andros Townsend.
Missed chance. Takehiro Tomiyasu - Arsenal - shot with right foot from outside the box is close, but missed. Assist - Leandro Trossard.
Fouled by Daiki Hashioka - Luton Town
Eddie Nketiah - Arsenal - won a free kick in attack.
Ross Barkley - Luton Town - won a free kick in attack.
Fouled by Eddie Nketiah - Arsenal
Delay over. They are ready to continue.
Delay in match - injury Carlton Morris - Luton Town
SUBSTITUTION: Gabriel Martinelli COMES ON FOR Reiss Nelson
SUBSTITUTION: Cauley Woodrow COMES ON FOR Fred Onyedinma
Substitution - Luton Town. Cauley Woodrow for Fred Onyedinma.
Substitution - Arsenal. Gabriel Martinelli for Reiss Nelson.
SUBSTITUTION: Takehiro Tomiyasu COMES ON FOR Oleksandr Zinchenko
Substitution - Arsenal. Takehiro Tomiyasu for Oleksandr Zinchenko.
Reiss Nelson - Arsenal - won a free kick in defence.
Fred Onyedinma - Luton Town - receive yellow card for a foul.
Fouled by Fred Onyedinma - Luton Town
Corner - Luton Town. Conceded by Leandro Trossard.
Offside - Arsenal. Eddie Nketiah is in offside.
SUBSTITUTION: Declan Rice COMES ON FOR Thomas Partey
Substitution - Arsenal. Declan Rice for Thomas Partey.
SUBSTITUTION: Edward Nketiah COMES ON FOR Kai Havertz
Substitution - Arsenal. Eddie Nketiah for Kai Havertz.
Kai Havertz - Arsenal - receive yellow card.
Kai Havertz - Arsenal - has gone down, but the referee deems it simulation.
Jordan Clark - Luton Town - won a free kick in attack.
Fouled by Martin Ødegaard - Arsenal
Jordan Clark - Luton Town - won a free kick in defence.
Fouled by Emile Smith Rowe - Arsenal
SUBSTITUTION: Tahith Chong COMES ON FOR Pelly Ruddock Mpanzu
Substitution - Luton Town. Tahith Chong for Pelly Ruddock Mpanzu.
Oleksandr Zinchenko - Arsenal - won a free kick in attack.
Fouled by Ross Barkley - Luton Town
Fred Onyedinma - Luton Town - won a free kick in defence.
Fouled by Leandro Trossard - Arsenal
Second Half starts Arsenal 2, Luton Town 0.
Pelly Ruddock Mpanzu - Luton Town - won a free kick in defence.
New attacking attempt. Ross Barkley - Luton Town - shot with right foot from outside the box is saved in the left corner.
Jordan Clark - Luton Town - won a free kick in attack.
Issa Kaboré - Luton Town - won a free kick in defence.
Fouled by William Saliba - Arsenal
Fouled by Thomas Partey - Arsenal
Fouled by Reiss Nelson - Arsenal
First Half ended - Arsenal 2, Luton Town 0.
Own Goal by Daiki Hashioka, Luton Town. Arsenal 2, Luton Town 0.
Shot blocked. Leandro Trossard - Arsenal - shot with left foot from the centre of the box is blocked. Assist - Oleksandr Zinchenko.
New attacking attempt. Kai Havertz - Arsenal - shot with left foot from the left side of the box is saved by goalkeeper in the centre of the goal. Assist - Reiss Nelson.
Corner - Arsenal. Conceded by Teden Mengi.
Delay over. They are ready to continue.
Delay in match - injury Daiki Hashioka - Luton Town
Delay over. They are ready to continue.
Delay in match - injury Teden Mengi - Luton Town
Shot blocked. Reiss Nelson - Arsenal - shot with left foot from the centre of the box is blocked.
Shot blocked. Martin Ødegaard - Arsenal - shot with left foot from the centre of the box is blocked.
New attacking attempt. Emile Smith Rowe - Arsenal - shot with right foot from the centre of the box is saved by goalkeeper in the centre of the goal. Assist - Martin Ødegaard.
Missed chance. Jordan Clark - Luton Town - shot with the head from the centre of the box missed to the left. Assist - Andros Townsend with a cross.
Fred Onyedinma - Luton Town - won a free kick in defence.
Fouled by Kai Havertz - Arsenal
Goal! Arsenal 1, Luton Town 0. Martin Ødegaard - Arsenal - shot with left foot from the centre of the box to the left corner. Assist - Kai Havertz.
Shot blocked. Leandro Trossard - Arsenal - shot with right foot from the left side of the box is blocked.
Fouled by Gabriel Magalhães - Arsenal
Carlton Morris - Luton Town - won a free kick in defence.
Shot blocked. Emile Smith Rowe - Arsenal - shot with right foot from the centre of the box is blocked.
Shot blocked. Martin Ødegaard - Arsenal - shot with left foot from outside the box is blocked. Assist - Emile Smith Rowe.
Offside - Luton Town. Jordan Clark is in offside.
Delay over. They are ready to continue.
Issa Kaboré - Luton Town - won a free kick in defence.
Fouled by Reiss Nelson - Arsenal
Gabriel Magalhães - Arsenal - won a free kick in defence.
Fouled by Jordan Clark - Luton Town
Shot blocked. Oleksandr Zinchenko - Arsenal - shot with left foot from outside the box is blocked. Assist - Martin Ødegaard.
Shot blocked. Kai Havertz - Arsenal - shot with left foot from the right side of the box is blocked. Assist - Emile Smith Rowe.
Corner - Arsenal. Conceded by Thomas Kaminski.
Leandro Trossard - Arsenal - won a free kick in attack.
Fouled by Fred Onyedinma - Luton Town
Gabriel Magalhães - Arsenal - won a free kick in defence.
Fouled by Carlton Morris - Luton Town
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium