Harrold, Richards and McChrystal start
John Ward has made three changes to the side that started the abandoned game against Crawley Town in midweek.
Mark McChrystal returns from injury to replace the suspended Tom Lockyer in the centre of defence.
Matt Harrold and Eliot Richards return to the side, replacing Chris Beardsley and Ellis Harrison who drop to the bench.
Rovers: Steve Mildenhall, Michael Smith, Tom Parkes, Mark McChrystal, Lee Brown, David Clarkson, Ollie Clarke, Ollie Norburn, John-Joe O’Toole, Eliot Richards, Matt Harrold.
Substitutes: Chris Beardsley, Ellis Harriosn, Mitch Harding, Conor Gough, Alefe Santos, Pat Keary, Josh Southway
Portsmouth: Trevor Carson, Bondz N'Gala, Johnny Ertl, Sonny Bradley, Jed Wallace, Andrew Barcham, Shaun Cooper, Simon Ferry, Ryan Bird, Marcus Painter, Patrick Agyemang
Substitutions: John SUllivan, Yassin Moutaouakil, Joe Devera, Romain Padovani, David Connolly, Ricky Holmes, Thery Racon