The Eastern Conference semifinals start on Friday night, with the Yokohama B-Corsairs aiming for a repeat trip to the Final Four.
The visiting Toyama Grouses, meanwhile, have already gone farther in the postseason than at any time in the past six seasons.
Game 1 of their series tips off at 7:30 p.m. on Friday night at Yokohama Cultural Gymnasium. Game 2 is scheduled for 2 p.m. on Saturday.