Pompey will face Peterborough in the Capital One Cup first round.
The Posh will come to Fratton Park in the competition opener.
Pompey ran out 3-0 winners at London Road the last time the two sides met at the start of 2012.
The clash, against the side who reached the League One play-offs in May, is due to be played the week commencing August 11.
Pompey are now looking forward to the League Two fixtures being released tomorrow morning.