- Given Name: 色増幸作, Shikimasu Kosaku
- Pro MMA Record: 2-4-1, 1 NC (Win-Loss-Draw)
- Nickname: Iro Zeki
- Current Streak: 2 Wins
- Age: 44 | Date of Birth: 1975.06.07
- Last Fight: November 12, 2016 in Fighting Nexus
- Weight Class: Super Heavyweight | Last Weigh-In: N/A
- Affiliation: Team Yoko
- Height: 5'10" (178cm) | Reach: N/A
- Career Disclosed Earnings: $0 USD
- Born: Japan
- Fighting out of: Japan
Regional Rankings Rankings FAQ
Kosaku Shikimasu is ineligible for regional rankings due to inactivity.
Fighters must have at least one completed MMA bout in the past two years to be ranked.