Quarter-final and Semi-final Matches

 Lancashire v Sussex at Manchester, 15 Jul 2005
 Surrey v Hampshire at The Brit Oval, 15 Jul 2005
 Warwickshire v Kent at Birmingham, 15 Jul 2005
 Yorkshire v Northamptonshire at Leeds, 16 Jul 2005
 1st Semi Final: Hampshire v Yorkshire at Southampton, 20 Aug 2005
 2nd Semi Final: Warwickshire v Lancashire at Birmingham, 20 Aug 2005