The Ryukyu Golden Kings outclassed the visiting Shimane Susanoo Magic in the fourth quarter of Tuesday's series finale.
Ryukyu won 77-68 to pick up its second victory in as many days in Okinawa City.
The Golden Kings (21-7) took a 52-50 lead into the fourth quarter. They used a 9-0 run to expand their lead to 77-66 with 15 seconds remaining.
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