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Pompey will look to continue their impressive away form when they travel to Cheltenham this week.
And Paul Cook’s side are 10/11 favourites with Sky Bet to claim all three points at Whaddon Road.
The hosts – who sit 21st in the table, but won an FA Cup replay at Crewe during the week – can be backed at 3/1, with the draw at 5/2.
All four previous competitive meetings between the sides have ended all square and a 2-2 stalemate – the outcome of the most recent clash – carries odds of 14/1.
More optimistic punters will want to back a Blues victory, however, and a 1-0 win is on offer at 6/1, with a 2-1 triumph at 15/2.
Conor Chaplin will look to add to his personal tally and is 4/1 favourite to net the opener on Saturday.
Elsewhere in the first goalscorer market, Gary Roberts, Noel Hunt and Christian Burgess are available at 9/2, 6/1 and 25/1 respectively.
Please note that all odds are subject to change.
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