Peterborough win 4-2 on pens
Peterborough goalkeeper Mark Tyler starred as League Two Posh shocked Championship Ipswich.
Tyler produced vital blocks to take the tie to penalties, then saved a penalty as Posh won the shoot-out 4-2.
Trevor Benjamin put Peterborough ahead from the penalty spot, but Ipswich captain Jason De Vos headed home in the 89th minute to equalise.
Guy Branston restored the lead with a 95th-minute header, but Billy Clarke levelled to force penalties.
Peterborough: Tyler, Newton, Arber, Branston, Plummer, Day (Carden 90), Butcher, Holden, Richards (Stirling 79), Benjamin, Yeo (Gain 64).
Subs Not Used: Huke, Jimmy Ghaichem.
Booked: Plummer, Holden.
Goals: Benjamin 45 pen, Branston 95.
Ipswich: Price, Wilnis (Casement 84), De Vos, Naylor, Harding, Currie (Clarke 64), Bruce, Richards, Bowditch, Forster (Brittain 39), Haynes.
Subs Not Used: Sito, Trotter.
Booked: Haynes, Naylor, Casement, Bruce.
Goals: De Vos 90, Clarke 105.
Ref: K Hill (Hertfordshire).