Use 'watch and listen' tab to select your commentary
Ten-man Man Utd beat Arsenal on penalties
Newcastle, Ipswich, Southampton & Crystal Palace go through
Fifth-tier Tamworth take Tottenham to extra time as Doncaster beat Hull on penalties
Fourth-round draw follows Arsenal v Man Utd
Get Involved: #bbcfootball, via WhatsApp on 03301231826 or text 81111 (UK only, standard message rates apply)
Alex Howell
BBC football news reporter at the Emirates Stadium
Image source, BBC SportArsenal are in their all white kit today. It’s part of their No More Red campaign to raise awareness of the work they do in their anti-knife crime campaign and against youth violence.
Arsenal 0-0 Man Utd
Manchester United's fans are reminding the Arsenal supporters that it was Patrick Vieira who set up Ryan Giggs' FA Cup winner in 1999.
Oh to get a tie like that today.
Tamworth 0-2 Tottenham
Stephen Warnock
Former Premier League defender on BBC Radio 5 Live
The angle was always difficult for Kai Williams. He just tries to drill it hard and low but Kinsky gets his angles right and makes the save look very easy.
Arsenal 0-0 Man Utd
Arsenal are in all white as part of their No More Red campaign. Manchester United are in navy blue.
The visitors kick things off by launching it long but Arsenal easily deal with it. No empty seats here.
#bbcfootball, via WhatsApp on 03301 231826 or text 81111 (UK only, standard message rates apply)
Image source, Getty ImagesI was behind the goal for Nuneaton Borough v Middlesbrough in January 2006. Future England manager Gareth Southgate gave away a penalty (and another that was missed by the referee). Jez Murphy scored the equaliser on 90 minutes. Amazing experience.
Matt, Birmingham
Tamworth 0-2 Tottenham
Tamworth are still working hard. Kai Williams fires a low shot from a tight angle, well saved by Antonin Kinsky.
Newcastle 0-0 Bromley
We've seen a few half-empty grounds this weekend but no such worries at Newcastle - it's absolutely rammed for the visit of League Two opposition.
The magic is alive and well here. Newcastle haven't won the FA Cup since 1955 - can they end a 70-year wait this season?
We're off at the Emirates and in three other ties.
Goals please!
Image source, Getty Images#bbcfootball, via WhatsApp on 03301 231826 or text 81111 (UK only, standard message rates apply)
As a Spurs fan since 1967, I have experienced many embarrassing moments, but this struggle to beat Tamworth has to be very high on the list.
Dan
In the end it's the fitness and concentration levels that make the difference for Spurs. Good effort from Tamworth.
Ian
Tamworth 0-2 Tottenham
If we still had replays in the FA Cup third round, Tamworth would be safely secured of a money-spinning game at Tottenham Hotspur Stadium. Instead they are heading out.
A real shame.
Arsenal v Man Utd (15:00 GMT)
Micah Richards
Former England defender on BBC One
Gabriel Jesus does so much work for the team but the one part of the game he needs to improve in his game is that he comes too deep.
It leaves no space for him to then run, there's all this space in behind that he can't make up.
He is such a good player, he is a utility player but for himself, he needs to be more selfish.
Image source, Getty ImagesTamworth 0-2 Tottenham
Tamworth manager Andy Peaks claps his hands and encourages his side.
He has to make sure his side don't fall apart now after working so hard.
Tamworth 0-2 Tottenham
Ally McCoist
Former Rangers striker on ITV1
An element of fatigue, but take nothing away from the switch of play and the finish.
It has taken until the 107th minute to see a quality move - it has killed the game.
Tamworth 0-2 Tottenham
Stephen Warnock
Former Premier League defender on BBC Radio 5 Live
They are just getting a little bit stretched now Tamworth. Kulusevski fires it across with his left foot to the far right hand corner. It's an absolutely clinical finish.
Dejan Kulusevski (107 mins)
Image source, Getty ImagesPremier League quality finally tells.
Two subs combine, as Son Heung-min feeds Dejan Kulusevski who shoots across Jas Singh and into the far corner.
That should be that.
Arsenal v Man Utd (15:00 GMT)
Martin Keown
Former England defender on BBC One
This FA Cup game is always huge. I hope today will be a great spectacle.
Arsenal had a difficult game in the week, they need to put that to one side, relish the occasion and embrace it and go after it.
It's a critical time of the season and you have to beat Manchester United in the FA Cup.
Let's see how good Man United are today.
Arsenal v Man Utd (15:00 GMT)
Alex Howell
BBC football news reporter at the Emirates Stadium
Image source, BBC SportManchester United's away fans are starting to make noise. 7,956 tickets have been given to United.
For this game, the away section is stretching around towards the corner flag which is closer to the home fans and the media area than normal. It should add to great atmosphere.
Tamworth 0-1 Tottenham
Antonin Kinsky scuffs a clearance, and Ben Crompton has a go from 45 yards with the keeper out of position.
The ball lands in the stands.
Hull 1-1 Doncaster (pens: 4-5)
Harry Clifton keeps his cool and sends Doncaster through!
The League Two side have won at Championship Hull.
Image source, Getty ImagesTamworth 0-1 Tottenham
Roy Keane
Former Republic of Ireland captain on ITV1
Tamworth are on the ropes, but they have to keep swinging.
