It's a tough assignment for John Mousinho's side against opposition with one of the best home records in the division.
The Blues are on a nine-game unbeaten run, however, as they aim to move a step closer to the Championship.
Here's how we think Pompey will line up, as they embark on the run-in with 10 games remaining.
Here's how we think Pompey will line up, as they embark on the run-in with 10 games remaining.