Not got a ticket? Watch with fellow Cobblers fans
Tickets for Sunday's away leg at Cheltenham Town have now sold out. No further tickets will become available
However, the small number of tickets that remain to be collected can be done so on arrival at the Abbey Business Stadium on Sunday.
For any supporter without a ticket for the game at Cheltenham, Sunday's second leg will be shown live in Carr's Bar, which will be open from mid-afternoon.