The Tennōzan[a] is a single elimination professional wrestling tournament held in late autumn by the Osaka Pro Wrestling (OPW) promotion.
The number of participants in the Tennōzan has varied over the years, from a lowest of 12 in 2001 to a highest of 24 in 2011.
Naohiro Hoshikawa is the inaugural winner; "Big Boss" Ma-G-Ma holds the record for most tournaments wins with three, while Billyken Kid, Daisuke Harada, Tigers Mask and Zeus have won two each.
Ma-G-Ma is also the only wrestler to have won three consecutive tournaments.
The winner of the tournament, Tadasuke, also won the Osaka Pro Wrestling Championship left vacant after OPW went on a hiatus in 2014.