Tranmere scored a controversial late winner to see off Sky Bet League Two side Accrington in a 1-0 win.
Tranmere live updates
GOAL - Derby 5-0 Tranmere (Bennett)
A real hammering now at Pride Park, with Derby's fifth of the afternoon coming from Mason Bennett.
GOAL - Derby 4-0 Tranmere (Hendricks)
Jeff Hendricks comes up with a fourth for the home side and Derby are certainly into tomorrow's draw now.
GOAL - Derby 3-0 Tranmere (Brayford)
John Brayford rubs salt into the Tranmere wounds with a classy third
GOAL - Derby 2-0 Tranmere (Sammon)
A two-goal cushion for Derby, who are unbeaten in nine home games. That run of form looks like continuing, as Connor Sammon doubles the Rams' lead.
Tranmere Rovers boss Ronnie Moore was happy to have sidestepped a banana skin in the form of Alan Devonshire's Braintree.
Watch the best action from Tranmere's 3-0 win at Braintree.