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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9. Joe Morrell
Recent fine form dropped slightly last week, but has generally been playing excellently. Photo: The News
10. Marcus Harness
Didn't score last weekend - so due a goal at his currently phenomenal rate! Photo: The News
11. Ronan Curtis
May have to relinquish the armband but expect plenty more graft and craft from the Irishman. Photo: The News
12. George Hirst
The man ahead of the rest in the striking pecking order, with his confidence evidently thriving at Priestfield. Photo: The News