And Rovers have not won for six matches.
Ince said: "It is a big match as the winners reach the quarter-finals.
"Then you can start thinking about claiming the trophy. A win would also set us up nicely for Saturday.
"It is important to us to have a good cup run, be it the Carling Cup or FA Cup, as it is an avenue into Europe.
"We may not have won for a few games but the confidence has not been affected as we are playing good stuff."