Tickets are still available for Pompey's Checkatrade Trophy match at Charlton.
Kenny Jackett's side make the trip to The Valley for their final group stage fixture on Tuesday (7.45pm kick-off).
Blues fans have snapped up around 160 tickets and they will remain on sale from Pompey until midday tomorrow.
Seats can be secured online here, by calling 0345 646 1898 or in person from the Frogmore Road ticket office.
They can also be bought from the West Stand ticket office (cash only) at Charlton on the evening of the game.
|One Adult/One U18||£11|
Wheelchair spaces can be booked by contacting Charlton directly on 03330 144444 and include a carer if on the highest rate of DLA or PIP.
There is a £1 charge for tickets bought online/over the phone.
Supporters buying concession tickets are advised to bring proof of age identification with them to the game.