Hiromasa Ougikubo (扇久保 博正, Ōgikubo Hiromasa; born 1 April 1987) is a Japanese mixed martial artist currently competing as a flyweight in the Rizin Fighting Federation. A professional since 2006, he has also competed for Shooto, Vale Tudo Japan, and The Ultimate Fighter. He is a former Rizin Flyweight Champion, a former Shooto World Bantamweight (123 lb) Champion, a former Shooto Featherweight Champion and the 2014 Vale Tudo Japan flyweight tournament champion. As an amateur, he was the 12th All Japan Amateur Shooto Featherweight tournament champion and the 4th Tohoku Amateur Shooto Open Tournament champion. He holds notable wins over the former ONE Championship and Shooto strawweight champion Yosuke Saruta, the former Pancrase Flyweight Champion Kiyotaka Shimizu, the current Pancrase Bantamweight Champion Shintaro Ishiwatari, as well as wins over Alexandre Pantoja and Adam Antolin.
Source: “Hiromasa Ougikubo”, English Wikipedia (CC BY-SA 4.0), excerpt