Bradford Bulls Bradford Bulls qualified for the Challenge after being crowned the 2005 Super League champions, defeating their local rivals
Leeds Rhinos 15–6 at
Old Trafford. This
Grand Final win avenged a defeat to the same team in the title decider the year before.
Wests Tigers Wests Tigers clinched the 2005 National Rugby League title in a 30–16 defeat of
North Queensland Cowboys to earn a place in the World Club Challenge. The Tigers had reached the Grand Final for the first time since their formation five years earlier following a merger of
Balmain Tigers and
Western Suburbs. ==Teams==