Danny Cowley’s side are out to make it seven wins on the spin against the League Two outfit at Fratton Park.
But how will the Blues boss go as he looks to keep the wins going against Simon Weaver’s men?
We’ve done our digging and come up with what we believe is the like Pompey line-up.
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5. Sean Raggett
Welcome back to Mr Consistent. First name on the team sheet. Photo: The News
6. Connor Ogilvie
Raggett's return looks likely to allow Ogilvie to return to the left of a back three for Pompey. Photo: The News
7. Lee Brown
Trained all week after a back injury, so looks set to return to the starting XI. Photo: The News
8. Shaun Williams
Slotted in comfortbly at left-back last weekend, but with Raggett back can move forward slightly to anchor midfield. Photo: The News