The Spirit of Ganbare World Openweight Championship (Japanese: スピリット・オブ・ガンバレ世界無差別級王座, Hepburn: Supiritto obu Ganbare Sekai Musabetsu-kyū Ōza) is a professional wrestling championship promoted by the Ganbare☆Pro-Wrestling (GanPro) promotion.

On March 18, 2017, Ohka beat Shiori Asahi at a Kaientai Dojo event to win the Independent World Junior Heavyweight Championship.

[2] Now without a singles title to promote, in September 2021, GanPro – now part of the CyberFight umbrella promotion – revived the Ganbare☆Climax tournament and created the Spirit of Ganbare World Openweight Championship as a prize for the winner of the tournament.

[4] On November 23, Tatsuhito Takaiwa went on to defeat Yumehito Imanari in the final and won the inaugural title.

[5] On April 1, 2024, GanPro officially split from CyberFight and became an independent promotion.