All you need to know about League Two clash
Pompey are one of just five clubs in the top four divisions of English football who have yet to lose in the league this season.
And aiming to end that run this weekend will be an Oxford side managed by former Blues boss Michael Appleton.
Striker Ryan Taylor joined United after leaving Fratton Park at the end of last term, although has yet to score in nine appearances.
His new side currently sit eighth in the League Two table, having collected 12 points from their first seven games.
Oxford took just a single point off Pompey last season, playing out a goalless draw at Fratton Park after losing to a single goal at the Kassam Stadium.
TEAM NEWS
Pompey will be without Gary Roberts, who injured his ankle in last week's victory over Barnet, while Jack Whatmough (knee) is still sidelined.
Kemar Roofe and Johnny Mullins could both feature for the hosts after returning to training, but Sam Long (ankle) is out.
HEAD TO HEAD
Overall
Pompey: 22 Wins
Oxford: 18 Wins
16 Draws
At Oxford
Pompey: 7 Wins
Oxford: 15 Wins
12 Draws
Last Meeting
Pompey 0
Oxford 0
League Two
February 28 2015
MATCH COVERAGE
Pompey PlayerHD subscribers can listen to live online commentary from the Kassam Stadium.
There will be post-match reaction on the website, Pompey PlayerHD and our official
YouTube channel, with extended highlights to follow on Sunday.
TICKETS
Pompey have sold their entire allocation of 2,500 tickets for this game and no more will be made available.
BETTING
Oxford are
7/5 favourites to win the game with Sky Bet, with Pompey on offer at
15/8.
Read our betting preview
here and remember to register at
www.skybet.com/pompey to earn money for the club whenever you have a flutter.
ALSO IN LEAGUE TWO
Accrington v Exeter
AFC Wimbledon v Notts County
Barnet v Stevenage
Crawley v Yeovil
Dag & Red v Newport
Hartlepool v Cambridge
Leyton Orient v Wycombe
Luton v Mansfield
Morecambe v Northampton
Plymouth v Bristol Rovers
York v Carlisle