BOOKING: Leandro Trossard
The second half ends with West Ham United 0, Arsenal 1.
Foul committed by Viktor Gyökeres on Arsenal.
Foul committed by Viktor Gyökeres against Arsenal.
Crysencio Summerville of West Ham United won a free kick in an attacking position.
The fourth official has indicated there will be 6 minutes of added time.
Callum Wilson s shot for West Ham United from the center of the box is blocked. The assist came from Konstantinos Mavropanos, who headed the ball.
West Ham United have been awarded a corner after Gabriel Magalhães conceded it.
Viktor Gyökeres commits a handball for Arsenal.
Foul committed by Kai Havertz of Arsenal.
Goal! The match is now 1-1 as Callum Wilson scores for West Ham United with a left-footed shot from the center of the box after a corner.
Foul committed by Pablo for West Ham United.
Mateus Fernandes from West Ham United won a free kick in defense.
VAR decision: No goal. The match remains West Ham United 0, Arsenal 1.
Goal overturned by VAR! Callum Wilson scores for West Ham United, but the goal is ruled out after a VAR review.
Konstantinos Mavropanos from West Ham United won a free kick in defense.
Missed chance. Konstantinos Mavropanos of West Ham United headed the ball from the center of the box but missed. The assist was provided by Mateus Fernandes.
Leandro Trossard of Arsenal receives a yellow card.
Foul committed by Konstantinos Mavropanos of West Ham United.
Foul committed by William Saliba of Arsenal.
Callum Wilson of West Ham United won a free kick in defense.
William Saliba of Arsenal receives a yellow card.
Viktor Gyökeres of Arsenal won a free kick in defense.
Cristhian Mosquera from Arsenal won a free kick on the right wing.
Callum Wilson fouled a West Ham United player.
Substitution for West Ham United: Callum Wilson replaces Axel Disasi.
SUBSTITUTION: Callum Wilson COMES ON FOR Axel Disasi
Goal! Arsenal takes the lead 1-0 with Leandro Trossard scoring from the center of the box into the right corner, assisted by Martin Ødegaard.
SUBSTITUTION: Noni Madueke COMES ON FOR Bukayo Saka
Substitution for Arsenal: Noni Madueke replaces Bukayo Saka.
Cristhian Mosquera of Arsenal receives a yellow card for a foul.
Crysencio Summerville of West Ham United won a free kick on the left wing.
Cristhian Mosquera from Arsenal commits a foul.
BOOKING: Cristhian Mosquera
Corner awarded to West Ham United after a concession by Cristhian Mosquera.
West Ham United have been awarded a corner after Cristhian Mosquera conceded it.
Corner awarded to West Ham United after David Raya concedes.
Bukayo Saka of Arsenal receives a yellow card for a foul.
Foul committed by Bukayo Saka of Arsenal.
Viktor Gyökeres of Arsenal misses a chance as his header from the center of the box goes high, assisted by a cross from Bukayo Saka.
Pablo from West Ham United missed a chance, shooting with his right foot from the center of the box to the left. El Hadji Malick Diouf provided the assist with a cross after a fast break.
Foul committed by Mateus Fernandes for West Ham United.
Shot blocked. Gabriel Magalhães from Arsenal has his left-footed shot from close range blocked.
Leandro Trossard from Arsenal won a free kick on the left wing.
Viktor Gyökeres of Arsenal won a free kick on the left wing.
Foul committed by Jean-Clair Todibo against West Ham United.
BOOKING: Jean-Clair Todibo
Jean-Clair Todibo of West Ham United receives a yellow card for a foul.
Substitution for Arsenal: Martin Ødegaard replaces Eberechi Eze.
Substitution for Arsenal: Kai Havertz replaces Martín Zubimendi.
SUBSTITUTION: Pablo COMES ON FOR Taty Castellanos
Substitution for West Ham United: Pablo replaces Valentín Castellanos.
SUBSTITUTION: Kai Havertz COMES ON FOR Martín Zubimendi
SUBSTITUTION: Martin Ødegaard COMES ON FOR Eberechi Eze
Jarrod Bowen s shot from outside the box is blocked. The assist was from Mateus Fernandes.
Cristhian Mosquera of Arsenal committed a foul.
Jean-Clair Todibo of West Ham United won a free kick in defense.
Foul committed by Tomás Soucek of West Ham United.
Declan Rice of Arsenal won a free kick in the attacking area.
Eberechi Eze of Arsenal won a free kick in an attacking position.
Arsenal wins a corner after El Hadji Malick Diouf concedes.
Bukayo Saka from Arsenal misses a chance as his left-footed shot from outside the box goes high. Eberechi Eze provided the assist.
Foul committed by Bukayo Saka of Arsenal.
El Hadji Malick Diouf of West Ham United won a free kick in defense.
Bukayo Saka from Arsenal misses a chance with a left-footed shot from outside the box.
Crysencio Summerville of West Ham United won a free kick in defense.
Martín Zubimendi fouled by Arsenal.
New attacking attempt. Jarrod Bowen of West Ham United shoots with his left foot from outside the box, but David Raya, the Arsenal goalkeeper, saves it in the center of the goal.
Valentín Castellanos of West Ham United has a shot from the center of the box blocked. Jarrod Bowen provided the assist.
SUBSTITUTION: Cristhian Mosquera COMES ON FOR Riccardo Calafiori
New attacking attempt. Valentín Castellanos of West Ham United heads the ball from the center of the box, but it s saved in the left corner by David Raya of Arsenal, assisted by Aaron Wan-Bissaka.
Mateus Fernandes from West Ham United has a shot from outside the box, but it is blocked.
The fourth official has indicated that there will be 3 minutes of added time.
The first half ends with West Ham United and Arsenal tied at 0-0.
Foul committed by Myles Lewis-Skelly of Arsenal.
The second half begins with the score at 0-0 between West Ham United and Arsenal.
Substitution for Arsenal: Cristhian Mosquera replaces Riccardo Calafiori.
Corner awarded to West Ham United after David Raya concedes.
Valentín Castellanos from West Ham United won a free kick in defense.
Foul committed by Tomás Soucek of West Ham United.
Myles Lewis-Skelly from Arsenal won a free kick in defense.
Crysencio Summerville fouls a West Ham United player.
Crysencio Summerville of West Ham United receives a yellow card for a foul.
Gabriel Magalhães of Arsenal won a free kick in defense.
BOOKING: Crysencio Summerville
Crysencio Summerville from West Ham United missed a chance, shooting with his right foot from the center of the box, but it went close and missed the target. The assist came from El Hadji Malick Diouf.
Shot blocked. Eberechi Eze of Arsenal has his right-footed shot from outside the box blocked.
BOOKING: Taty Castellanos
Valentín Castellanos of West Ham United receives a yellow card for a foul.
Martín Zubimendi of Arsenal won a free kick in an attacking position.
Fouled by Valentín Castellanos of West Ham United.
William Saliba from Arsenal won a free kick in defense.
Valentín Castellanos fouled a West Ham United player.
SUBSTITUTION: Martín Zubimendi COMES ON FOR Ben White
Substitution for Arsenal: Martín Zubimendi replaces Ben White due to injury.
There is a delay in the match due to an injury to Ben White from Arsenal.
Leandro Trossard from Arsenal won a free kick in defense.
Crysencio Summerville fouled a West Ham United player.
Riccardo Calafiori s header from inside the six-yard box on the left side is blocked. Declan Rice provided the assist with a cross.
Foul by Aaron Wan-Bissaka on West Ham United.
Leandro Trossard of Arsenal won a free kick on the left wing.
Eberechi Eze s right-footed shot from outside the box is blocked. The assist came from Bukayo Saka.
Foul committed by Konstantinos Mavropanos of West Ham United.
Viktor Gyökeres of Arsenal won a free kick in an attacking position.
Missed chance. Riccardo Calafiori of Arsenal shoots with his left foot from outside the box, but it s high and wide to the left. Viktor Gyökeres provided the assist.
Gabriel Magalhães from Arsenal misses a close-range header, sending the ball high and wide to the left. The assist came from Bukayo Saka, who provided the cross after a corner.
Arsenal wins a corner after Crysencio Summerville concedes.
Viktor Gyökeres header from the center of the box is blocked.
Arsenal win a corner after Konstantinos Mavropanos concedes.
Shot blocked. Eberechi Eze s right-footed shot from outside the box is blocked.
Riccardo Calafiori s left-footed shot from the left side of the box is blocked. Leandro Trossard provided the assist.
Leandro Trossard of Arsenal attempts a header from the right side of the six-yard box, but Mads Hermansen of West Ham United makes a save in the top center of the goal. The assist comes from Declan Rice, who provided the cross.
Leandro Trossard of Arsenal hits the right post with a header from the right side of the six-yard box following a corner.
Tomás Soucek of West Ham United won a free kick in defense.
Foul committed by Riccardo Calafiori against Arsenal.
That s it. The game ends with West Ham United 0, Arsenal 1.
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium