It was a little over three weeks ago when Pompey made the trip home from the Kassam Stadium feeling extremely hard done by.
They had led at Oxford with just a few minutes remaining, despite having to play most of the contest with just 10 men following an extremely harsh red card for Joe Morrell.
But the hosts struck twice at the death to ensure a battling Blues performance ultimately counted for nothing.
Now Danny Cowley’s men have a chance to put things right when the sides meet again – this time at Fratton Park – this evening (7.45pm kick-off).
They are unbeaten in four games since that loss, with a trio of victories followed by Saturday’s dramatic draw with Fleetwood.
Their opponents are in fourth spot and just four points second-placed Wigan, albeit having played three matches more.
United enjoyed their own fightback at the weekend, twice battling back from a goal behind before eventually beating Oxford 4-2 on home soil.
Karl Robinson has guided them to the play-offs in each of the past two seasons, but they lost at Wembley after beating Pompey on penalties two years ago and were knocked out by Blackpool last term.
The most recent clash between the sides at Fratton Park finished 1-1, as Sean Raggett’s opener was cancelled out by an Alex Gorrin spot-kick.
Pompey are without Kieron Freeman (ankle), Michael Jacobs (knee) and Shaun Williams (back), while Jayden Reid (knee) and Liam Vincent (shin) remain sidelined.
Ronan Curtis begins a two-match suspension after receiving his 10th league booking of the season at the weekend.
Oxford captain Elliott Moore is set for a spell on the sidelines after undergoing a scan for an ankle problem.
VIEW FROM THE DRESSING ROOM
Read the thoughts of Danny Cowley ahead of the game.
HEAD TO HEAD
Pompey: 26 wins
Oxford: 24 wins
At Fratton Park
Pompey: 17 wins
Oxford: 4 wins
Pompey fans can secure tickets online here or by visiting the Anson Road ticket office.
Supporters can also purchase seats, subject to availability, from the booth behind the Fratton End this evening.
Covid certification is no longer required to attend, but Portsmouth Football Club respectfully ask all supporters to adhere to the Code of Conduct to ensure an enjoyable and safe matchday experience for all.
The Victory Bar will be open for Pompey fans from 5pm this evening.
Referee: Sam Allison
Assistants: Michael Chard and Michael Webb
Fourth Official: Mark Stevens
There will be post-match reaction on the website and our official YouTube channel, with highlights to follow on Wednesday.
Fans can also enter the free VBET quiz for the chance to win a signed shirt and other great prizes.
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ALSO IN LEAGUE ONE
All games kick-off at 7.45pm
Sheffield Wednesday v Burton
Shrewsbury v Rotherham
Wigan v Fleetwood
Wycombe v Cambridge