The defending champion Hamamatsu Higashimikawa Phoenix will play host to the Toyama Grouses on Saturday and Sunday in the bj-league's Eastern Conference semifinals.
In the East's other series, the Niigata Albirex BB meet the visiting Akita Northern Happinets.
In the Western Conference semifinals, the Ryukyu Golden Kings face the Shiga Lakestars in Okinawa, while the Osaka Evessa do battle with the visiting Rizing Fukuoka.