Pompey will try to maintain their 100 per cent start to the League One season when they visit Doncaster this weekend.
But it is the hosts who are the narrow 8/5 favourites with Sky Bet to secure all three points on Saturday.
Kenny Jackett’s men can be backed at 7/4 to continue their fine form at the Keepmoat Stadium, with the draw at 9/4.
Pompey were beaten 2-1 in last season’ corresponding fixture and the odds of them gaining revenge by that scoreline are 9/1.
You might prefer to take a punt on them securing a 1-0 victory at 7/1 or a more convincing 3-0 triumph at 28/1.
And there is the chance to take advantage of a Sky Bet boost, with the Blues coming out on top in a contest where both teams score moving from 9/2 to 11/2.
Those who think Pompey will have to work hard for the points can tip them to win from a losing position at 16/1.
Brett Pitman has had to be content with a place on the bench in recent weeks, but is still the 9/2 favourite to net the opener.
Elsewhere in the first goalscorer market, Ronan Curtis, Oli Hawkins and Matt Clarke are available at 11/2, 13/2 and 33/1 respectively.
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