Pompey will look to take their cup form into the league when they visit high-flying Blackpool on Saturday.
And Kenny Jackett’s side are the 13/10 favourites with Sky Bet to claim all three points at Bloomfield Road.
The hosts – who have yet to be beaten in League One so far this term – can be backed at 2/1, with the draw at 9/4.
It finished 2-1 to the Blues in last season’s corresponding fixture and a repeat of that scenario carries odds of 17/2.
Punters might instead prefer to put their money on a 1-0 success at 13/2 or even a comfortable 3-0 triumph at 22/1.
You can also take advantage of a Sky Bet boost, with Pompey coming out on top in a contest where both sides find the target moving from 7/2 to 9/2.
Those expecting a more difficult afternoon might be tempted by the visitors recovering from an interval deficit to win at 28/1.
Meanwhile, Craig MacGillivray will be trying to keep a second successive clean sheet, which is priced 15/8.
John Marquis is the 4/1 favourite to repeat his QPR heroics and net the opener, ahead of Ronan Curtis at 9/2.
Elsewhere in the first goalscorer market, Ellis Harrison, Marcus Harness and Paul Downing are on offer at 5/1, 7/1 and 50/1 respectively.
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