Union Pro Wrestling was a promotion that was revived by DDT Pro-Wrestling in 2005. The Union Max Championship was established in 2013 when Ivan MarkovdefeatedShuji Ishikawa to become the inaugural champion. In January 2016, three days after folding, Union was replaced by a new promotion named Pro-Wrestling Basara. The title was reactivated when Isami Kodaka defeated Trans-Am★Hiroshi to win his third title. The original belt design is still used which bears the "Union" name on it.
Reigns
As of ,, there have been a total of 24reigns shared among 15 different wrestlers. Shuji Ishikawa is the current champion in his first reign.