The All Japan Men's Basketball Championship held two semi-final games, with Chiba Jets and Ryukyu Golden Kings winning to advance to the final next month.
Chiba's Yuki Togashi scored 17 points, the most in the team, including three three-point shots.
In addition, Ryukyu's Jack Cooley led the team with 23 points and won the close game with Yokohama B-Corsairs 96-91 to advance to the final for the first time.
In Yokohama, Yuki Kawamura scored 45 points, including nine 3-point shots, but fell short.
The final match between Chiba and Ryukyu will take place on the 12th of next month.