Pompey will look to stay in the automatic promotion race by beating Peterborough on home soil on Tuesday evening.
And Kenny Jackett’s are the 4/6 favourites with Sky Bet to secure the three points they need at Fratton Park.
It finished 2-1 when the sides met in the reverse fixture earlier in the campaign and a repeat of that scenario carries odds of 15/2.
A 1-0 scoreline – which is what happened when Jackett's men progressed in January’s Checkatrade Trophy tie – is also on offer at 15/2.
Those anticipating a tough evening should take a look at Pompey recovering from an interval deficit to take the points at 25/1.
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