Posh won a penalty shootout 4-1 after the tie had finished 1-1 after 90 minutes.
The game featured a first Posh goal for Joel Randall and a dynamic substitute display from Jeando Fuchs.
Ratings Key: 10-Brilliant, 9-Outstanding, 8-Very good, 7-Good, 6-Okay, 5-Poor, 4-Very poor.
21. DARREN FERGUSON
Understandable team selections given he wanted to keep the momentum from the win at Reading, but his team lacked aggression and tempo. The boss made proactive substitutions, and a change of shape, which geed the team up, but he's probably got decisions to ponder ahead of Saturday's bigger game - 6.5. Photo: Joe Dent
6 / 6