Cup-tied Paul Warhurst is likely to make way but Lee Crooks who came off the bench against Colchester is also in contention after returning from injury.
Jonathan Walters also came off the bench at Layer Road and will be battling with Rankin for a starting spot.
Club captain Peter Handyside is unlikely to start after his injury return but could be given a place on the bench .
Portsmouth and Arjan de Zeeuw await the winners in the fourth round on Saturday January 24 but if the Reds are beaten they will play Brighton in the League instead.