Pompey will try to stretch their unbeaten start to the season to 12 matches when they host Gillingham this weekend.
And Kenny Jackett’s side are the 1/2 favourites with Sky Bet to collect all three points at Fratton Park.
The visitors – who are currently sitting inside the League One drop zone – can be backed at 11/2, with the draw at 16/5.
Pompey triumphed 4-0 when the sides met in the Checkatrade Trophy last month and a repeat of that scenario carries odds of 20/1.
More conservative punters, however, might instead be tempted by a 1-0 victory at 6/1 or a 2-1 win at 15/2.
And fans can, as usual, take advantage of a Sky Bet boost, with both teams finding the target in a contest where the Blues come out on top moving from 21/10 to 11/4.
Pompey looked solid at the back when they beat Coventry earlier in the week and them winning without conceding is priced at 6/4.
Skipper Brett Pitman has recently returned to the starting line-up and is the 7/2 favourite to net the opener.
Elsewhere in the first goalscorer market, Jamal Lowe and Ronan Curtis are both available at 9/2, with Gareth Evans at 6/1 and Matt Clarke at 22/1.
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