Pompey will face Bristol City in a pre-season friendly later this month.
Kenny Jackett's side will travel to Ashton Gate to take on Championship opponents in a behind closed doors contest on Saturday, August 29 (kick-off TBC).
The sides previously met in a friendly at the same venue back in July 2016, when they played out a goalless draw.
The Robins recently unveiled Dean Holden as their new manager following the departure of Lee Johnson.
Pompey will get their pre-season preparations started this Saturday when they take on Norwich's under-23 side.