Pompey have received a small number of extra tickets for the Checkatrade Trophy final against Sunderland on Sunday, March 31 (2.30pm kick-off).
It takes the Blues’ total allocation of seats at Wembley Stadium to just over 40,000.
Season ticket holders, former shareholders and those who have bought advance tickets for a Checkatrade Trophy game this season have until 7.30am on Monday to buy tickets before they go on general sale.
More than 32,000 seats have already been snapped up by Pompey fans and they can be bought online here, by phoning the Ticketmaster call centre on 0844 847 1898 or visiting the Anson Road ticket office.
The call centre is open from 8am-8pm from Monday-Saturday and 8am-6pm on Sundays. Calls cost 7p from landlines, but charges from mobile phones may be considerably more.
Both the Anson Road and Frogmore Road ticket offices will remain open until 6pm after the Scunthorpe game on Saturday.
General sale starts at 8am for online and call centre sales, and 9am for those who want to buy in person from the Anson Road ticket office.
Supporters must be on the club’s ticketing database and have bought tickets between the start of the 2017/18 season and March 6 2019.
During the general sale period, supporters will be able to purchase up to nine tickets per client reference number.
Click here for full Wembley ticketing information – including prices – and click here for answers to some ticket queries.