Pompey's League One home match against Derby has been selected by Sky Sports for live television coverage.
The Fratton fixture has been moved from Easter Monday and will now take place on Tuesday, April 2 (8pm kick-off).
John Mousinho's side are currently sitting top of the League One table after 35 games, while the Rams are seven points behind in second position.
Tickets and hospitality packages that have already been purchased remain valid for the new date.