Pompey have announced a Fratton Park friendly against Bolton as part of their pre-season schedule.
The newly-relegated Trotters will visit the south coast on Saturday, August 4 (3pm kick off).
It will be the only summer friendly held at Fratton Park, with other fixtures scheduled away from home.
Also lined up are matches at the Hawks (July 14), Gibraltar (July 20), Aldershot (August 1) and AFC Wimbledon (August 8).
There is also a Pompey XI match at Salisbury on Saturday, August 11.