GREAT SAVE! Guendouzi does brilliantly to dribble past Kouyate and into the box from the left. Lacazette has his back to goal when he receives the ball though so he lays it off to David Luiz and his first-time shot is pushed over the crossbar by Hennessey
88'
Aubameyang cuts inside and lets fly but Benteke heads clear.
85'
GOAL DISALLOWED! Arsenal are celebrating but VAR are having a look at the goal as it looks like there was a foul on Milivojevic in the build-up to the goal and it has been chalked off. Still 2-2!
80'
Benteke comes on for Ayew.
75'
Substitution Kieran Tierney Sead Kolašinac
69'
Arsenal are just starting to up the pressure on Crystal Palace now as they keep possession in the final third.
62'
CHAMBERS COMES CLOSE! His first effort on goal is pushed away comfortably by Hennessey.
61'
Substitution Granit Xhaka out and Bukayo Saka in.
56'
Ward takes a free-kick for Palace in their own half and picks out Kouyate down the right. He nods it down and he's looking for Milivojevic on the edge of the box, but Xhaka gets across to intercept it.
52'
Goal scored by Jordan Ayew
51'
Yellow card to Calum Chambers
46'
Crystal Palace get the game back underway for the second half!
45'
3' minutes of added time
40'
Since returning to the Premier League in 2013-14, Crystal Palace have both won (48) and scored (39) more penalties than any other side in the competition. (Opta Stats)
34'
Crystal Palace are pushing forward once again from the restart and have won a corner which Milivojevic swings into the box. It's a good cross but he can't pick out a team-mate and Arsenal clear their lines.
32'
Luka Milivojević scored the goal by Penalty.
23'
Another pepe corner causes trouble for Crystal Palace but this time Van Aanholt manages to clear the danger.
20'
Palace finally getting somewhat of a foothold in the game now. The visitors are starting to string some passes together but little in terms of end product so far.
12'
GOOD CHANCE! Arsenal work the ball upfield really well and the ball falls to Lacazette on the edge of the box. He keeps his shot low as he aims for the bottom corner, but Hennessey gets down well to make the save at his near post.
9'
Arsenal HAVE ANOTHER ONE!
Corner into the box and David Luiz is unmarked at the far post and he gets there just ahead of Sokratis to score. 2-0 Arsenal!
7'
Goal Sokratis
2'
Arsenal are keeping hold of the ball well here early on.
ARSENAL - Lineup
Corner into the box and David Luiz is unmarked at the far post and he gets there just ahead of Sokratis to score. 2-0 Arsenal!
Crystal Palace - Lineup