Danny Cowley’s men will look to return to winning ways in the league after three games without success.
The Blues boss has some selection issues to digest as he goes in search of three points at The Valley.
Does he continue with Connor Ogilvie operating out of position at right-back, with Joe Rafferty making significant progress in the recovery from stomach muscle surgery?
Is it time for Tom Lowery to come back into the fray, as he closes in on his return from a hamstring complaint?
Here’s how we think Pompey will line up against Ben Garner’s men.
9. Josh Koroma - LM
Shone against Fleetwood and should continue down the left flank. Photo: None
10. Colby Bishop - ST
So important to the way Pompey play. A certainty to continue up front. Photo: NationalWorld
11. Dane Scarlett - ST
There's every chance the Spurs loanee will get his third league 90 minutes under his belt at The Valley. Photo: NationalWorld
12. Josh Oluwayemi - Sub 1
His spot as back-up to Josh Griffiths is assured. Photo: National World