Pompey will aim to continue their unbeaten start to the League One season on home soil when they face Lincoln on Tuesday evening.
And Kenny Jackett’s side are the 17/20 favourites with Sky Bet to secure all three points at Fratton Park.
The visitors – who are led by former Blues boss Michael Appleton – can be backed at 3/1, with the draw at 5/2.
Pompey won 4-1 when they last hosted the Imps back in 1982 and a repeat of that scenario carries odds of 33/1.
More conservative punters might prefer to put their money on 1-0 success at 6/1 or a 2-1 victory at 15/2.
And you could choose to group the scoreline, with a 1-0, 2-0 or 2-1 triumph at 15/8 and a 3-0, 3-1 or 3-2 win at 11/2.
Those who reckon that it will be a difficult evening can take a look at the Blues battling from behind to snatch the points at 10/1.
You can also take advantage of a Sky Bet boost, with both sides finding the target in a contest where the hosts come out on top moving from 11/4 to 10/3.
John Marquis is the 10/3 favourite to net the opener, ahead of fellow forward and leading marksman Ellis Harrison at 9/2.
Elsewhere in the first goalscorer market, Gareth Evans, Ben Close and former Lincoln defender Sean Raggett are available at 6/1, 17/2 and 16/1 respectively.
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Please note that in-stadia betting is no longer available at Fratton Park.