It is usually a tight affair when Pompey and Plymouth face off in competitive action.
In fact, of the 11 most recent meetings between the two dockyard clubs, eight of them have finished all square.
So it will not be a surprise to witness another close encounter when the latest contest takes place at Home Park this evening (7.45pm kick-off).
Argyle currently have the upper hand in the race for the play-offs, occupying sixth spot and with a seven-point advantage over their visitors.
Steven Schumacher’s men might even still have one eye on automatic promotion as they bid to return to the Championship for the first time in 12 years.
They are looking to extend a three-match winning run, with Macaulay Gillesphey’s header just before the break enough to see off Bolton at the weekend.
It finished 2-2 when the sides met at Fratton Park earlier in the campaign, with Lee Brown and Sean Raggett on target for the hosts.
And that was the same scoreline in last season’s Devon clash, with the Blues not quite able to hold on after John Marquis and Tom Naylor had seen them battle from behind to lead.
Pompey will hope to have Michael Jacobs available again after the midfielder returned to training following a knee injury.
Marcus Harness completes a three-match ban this evening, while Kieron Freeman (ankle), Reeco Hackett (knee), Jayden Reid (knee) and Shaun Williams (back) are all still sidelined.
Plymouth are currently without George Cooper (knee), Brendan Galloway (knee), Alfie Lewis (thigh) and Dan Scarr (hamstring).
Former Blues defender James Bolton has been a regular for Argyle after suffering an injury-hit start to the campaign.
HEAD TO HEAD
Pompey: 28 wins
Plymouth: 25 wins
At Home Park
Pompey: 10 wins
Plymouth: 15 wins
Tickets are no longer available to purchase for Pompey fans. Fans collecting tickets at Home Park this evening should visit the away turnstiles (numbers B20-25).
Referee: Sam Purkiss
Assistants: Mark Derrien and Grant Taylor
Fourth Official: Daniel Flynn
There will be post-match reaction on the website and our official YouTube channel, with highlights to follow on Wednesday.
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ALSO IN LEAGUE ONE
All games kick-off at 7.45pm
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Crewe v Wigan
Rotherham v Lincoln
Sheffield Wednesday v Accrington
Shrewsbury v Morecambe
Wycombe v Fleetwood