Bracknell Tigers stamped their dominance in the opening rounds, topping the Southern group before defeating Trophy holders Livingston 89–81 in the Final. From the 1989–90 season the Trophy continued with a North and South group format for the opening round, although due to a lack of members in the League the Quarter-finals were axed and the top two teams advanced to the two-game Semi-final series.
Bracknell Tigers established their leadership in the early stages, topping the Southern group before defeating Livingston Trophy champions 89–81 in the Final. From the 1989-90 season, the Trophy competition transitioned to a North-South format for the initial round, but due to insufficient League participation, the Quarterfinals were scrapped, and the top two teams proceeded to a best-of-two Semi-final series.