The season 2018/19 is the 23rd season of the South Korean club basketball league of gentlemen. The main round starts on October 13, 2018 and is expected to end on March 19, 2019 with the 54th and final game day. This is followed by the post-season final round of the best-placed teams for the South Korean championship, which are played out as play-off series in best-of-five mode . Wonju DB Promy started the season as the reigning champion .