Mamuka Usubyan (born October 2, 1994) is a russian professional boxer and kickboxer, and the current Fair Fight lightweight champion.
[11] Usubyan faced Vitale Matei in a non-title bout at RCC: Intro 16 on October 16, 2021.
[13] Usubyan faced Milson Castro in another non-title fight at RCC 10 on December 18, 2021.
[16] Usubyan faced Ivan Kondratiev in a non-title bout at RCC 12 on August 26, 2022.
[19] Due to the close nature of their first bout, an immediate rematch was booked for RCC Fair Fight 20 on February 18, 2023.
[21] Usubyan faced the one-time ONE Featherweight Muay Thai World title challenger Jamal Yusupov in a non-title bout at RCC Fair Fight 21 on June 10, 2023.
[23] Usubyan faced Dzhabar Askerov in a non-title bout at RCC Fair Fight XXIII on October 28, 2023.