However, a young Reserves side had to work hard for their quarter final place having gone a goal down to The Nationwide Conference side just before the half time interval.
Luke Keen gave Mark Cooper's side the lead on 43 minutes and Blues had to wait until 19 minutes from time for their equaliser which came courtesy of Kristian Pearce.
Wales youth international Jamie Price scored the winner for Keith Bertchin's side with a superb volley on 83 minutes.