Postpublished at 15:42 Greenwich Mean Time 7 November 2020
Elsewhere, it's goalless in the matches between Conference Premier sides Bromley and struggling Yeovil, Charlton and Plymouth and Sunderland and Mansfield.
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Colchester United are 11th in League Two
Marine are ninth in Northern Premier League Division One North West, the eighth tier of English football
Neil Johnston, Josef Rindl and Saj Chowdhury
Elsewhere, it's goalless in the matches between Conference Premier sides Bromley and struggling Yeovil, Charlton and Plymouth and Sunderland and Mansfield.
Dagenham & Redbridge 1-0 Grimsby
Off the line. Grimsby have been knocking on the door and they come very close to an equaliser but Daggers midfielder Will Wright tracks back to block a certain goal.
The National League side are still ahead. Just.
A couple of League One sides have assumed control against League Two outfits.
Lincoln City are 2-0 up at home to Forest Green and Bristol Rovers have taken the lead at their former gaffer Darrell Clarke's Walsall.
Tranmere led Accrington Stanley in another L2 v L1 clash but Colby Bishop has drawn Accy level.
Ashley Baker has put Newport County one up at Leyton Orient.
Bolton Wanderers 0-1 Crewe Alexandra
League One Crewe have just jumped ahead against Bolton. Mikael Mandron is the man to put the visitors in front.
Ipswich 0-2 Portsmouth
No sign of Ipswich hauling themselves back into the all-League One tie between the two former FA Cup winners. Portsmouth are looking comfortable.
You can check out Ronan Curtis' goal below.
Adam Campbell
And another goal!
Darlo's Adam Campbell intercepts a poor header back to the keeper and slots the non-leaguers ahead.
Game on.
Banbury United 0-1 Canvey Island
Jared Hull: The Banbury United kit is genuinely, offensively, horrible.
It's red, and, er, yellow, and, er, well...., make your own mind up by watching here.
Elsewhere, Hull City - finalists as recently as 2014 - have the lead against League One rivals Fleetwood thanks to a goal by former Aberdeen and Charlton forward Josh Magennis. We're still awaiting the first goal in the tie between Cambridge and Shrewsbury.
Ben Coker
Great finish from Ben Coker who finds space inside the area and blasts home a cut-back.
Harsh on the non-league visitors.
Swindon Town 0-0 Darlington
And back again. Weird.
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Swindon Town 0-0 Darlington
Strange one. We'll update you when we get more info.
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Oxford United 0-1 Peterborough United
Siriki Dembele has just put Posh in front.
Oxford are convinced this goal should be ruled out for offside. It stands.
Brackley Town 2-0 Bishop's Stortford
A second goal for Brackley Town. This time it's Matt Lowe who bundles the ball into the net.
Bishop's Stortford were all over the place defensively.
Connor Hubble (23 mins)
Connor Hubble's telescopic vision picks out a gap in the Banbury goal as he fires in from the right.
The Isthmian League North side hold the advantage.
Cheltenham 1-1 South Shields
Darius Osei's day is done after picking up an injury as he scored the equaliser. He has been replaced by Will McCamley.
Swindon 0-0 Darlington
And non-league Darlington nearly grab the opener against Swindon.
Darlo's Luke Charman has the ball in the net but referee Declan Bourne chalks it off for offside.
Matty Lund (22 mins)
They might have made a shocking start but Rochdale are back in this.
Alex Newby does well to whip in a cross and it is met at the back post by Matty Lund who powers a header from close range.
Max Kretzschmar (23 mins)
Another non-league side ahead!
Former Southampton youth player Max Kretzschmar with a left-foot screamer.
League One Gillingham are behind to the visitors from the National League.
Rochdale 0-2 Stockport
Goal of the round contender?
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Anthony Miley
I can't believe this! Another non-league side ahead!
Eighth-tier Marine AFC are in front after Anthony Miley stabs in a loose ball following a free-kick.
You've got to love the Cup.