Pompey will go in search of a ninth successive victory when they host Charlton in Tuesday night’s rearranged fixture.
And Kenny Jackett’s side are the 17/20 favourites with Sky Bet to collect a maximum haul of points at Fratton Park.
Pompey were beaten 1-0 when the sides met on the south coast last term and there are odds of 6/1 on them gaining revenge by that scoreline.
Those who think the hosts will have to work hard to earn the points can back them to win from behind at 11/1.
Ronan Curtis, Oli Hawkins, Jamal Lowe and Brett Pitman are the joint 5/1 favourites to net the opener.
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