With a close game until the very end, the Windsor Express beat the Halifax Rainmen 119-112 and remain in the running to be two-time NBL champions.
The 2015 finals are tied 3-3 with Game 7 being held at the WFCU Centre on Thursday.
On Sunday, Halifax dominated Game 5 with a score of 125-91, giving them a 3-2 lead heading into Tuesday's game.
Last year, the Express made a comeback and beat the Island Storm in games 6 and 7 at home.