Full-time: Sutton United 0-2 Arsenal (Lucas Perez, 26, Theo Walcott, 54)
Arsenal to meet Lincoln City in FA Cup quarter-finals
Three minutes of time added on here. Deacon thinks about lashing a half volley on goal but it won't quite fall for him. He instead settles for a corner but Ospina eventually claims it.
This game has fizzled out a tad with five minutes remaining.
Sutton's sub goalkeeper Wayne Shaw is currently eating a pie on the touchline.
Champagne football from Arsenal at the moment. Sanchez, Oxlade-Chamberlain and Xhaka combine brilliantly, pinging the ball around expertly with Sutton's slightly knackered-looking defenders chasing shadows. Sanchez tries to finish it with a chip from the edge of the box but he can't keep it down.
'Give it to Sanchez,' the cluster of Arsenal fans in attendance chant. But let's be honest, what is the point bringing him on if there is a slight risk of injury on this plastic pitch?
Here's a couple of changes for Arsenal, Ainsley Maitland-Niles replaces the impressive Reine-Adelaide while Alexis Sanchez comes on for Iwobi.
Theo Walcott goes 100 up for Arsenal.
Oxlade-Chamberlain effortlessly glides past three Sutton players down the left flank, dodging their attempts to knock him off the ball to break into space. He tries to measure a ball across the face of goal for Walcott it just evades his teammate.
What an effort from Deacon! He lets fly with a vicious effort from 20 yards out that smashes back off the bar and bounces another good 10 yards back upfield. That was a wonderfully clean strike that had Ospina beaten.
Perez slyly clips the ball around Downer and cuts an inviting ball across goal looking for Walcott, but Amankwaah does well to clear. Sutton looking a little weary here.
The corner comes in and Ospina is absolutely nowhere near it. Collins is at the back post to connect with a header but it is over the bar.
Deacon's final ball has been disappointing this evening but that was superb from the Sutton forward. Coming in from the left he stands up Mustafi, dropping a couple of stepovers to nip across him before lifting a fine cross into the six yard area that Monreal does brilliantly to nod away for a corner.
Half a chance for Sutton as May breaks into the box, unselfishly shifting the ball onto Biamou who snatches at his chance and it is an easy save for Ospina.
Crisp stuff from Arsenal, they are now two goals ahead. Iwobi and Perez combine neatly down the middle before the latter shifts the ball wide to find the overlapping run of Monreal. He knocks the ball across goal to find Walcott, who guides it into the far corner to score his 100th goal for the club.
Goal! Sutton United 0-2 Arsenal (Theo Walcott, 54)
Excellent play from Gomis who wins the ball off Holding inside the box before brilliantly turning the young defender as he tries to find room for a shot. He is quickly surrounded by red shirts however and is squeezed out as Arsenal regroup.
Oxlade-Chamberlain pings what is almost a perfect ball through for Walcott, but there is just too much pace on it and it evades his teammate.
Collins slides in brilliantly to take the ball off Walcott. The Arsenal forward was momentarily freed by Oxlade-Chamberlain, whose crisp passing in the middle of the park already has the Gunners operating at a higher level.
Holding hooks a back pass to Ospina that briefly has the Colombian scurrying across goal but it was actually good defending from the young defender, who was under pressure from the rapid Biamou.
The second-half is underway and Alex Oxlade-Chamberlain is coming on for Elneny, who picked up a knock in the first-half.
Half-time: Sutton 0-1 Arsenal (Lucas Perez, 26)
What a chance for Sutton! A pass comes back to Ospina who inexplicably punts it straight into the path of May on the edge of the box. He has options to his right but he opts to take it on himself, driving into the box before drilling a wayward effort into the side netting.
Deacon again whips the ball in but the knockdown falls to an Arsenal player in Perez, who drives forward on the counter before letting Walcott take over. The ball eventually falls to Iwobi just inside the box who tries to guide a side-footed effort through a cluster of players, but a slight deflection takes it just wide.