Tsuyoshi Kohsaka is a retired heavyweight fighter and the only man to hold a victory, albeit controversial, over Fedor Emelianenko.
Fights[]
- Tsuyoshi Kohsaka vs. Tim Lajcik - The fight was Tim Lajcik's UFC debut and his first loss.
- Randy Couture vs. Tsuyoshi Kohsaka - The fight was in the quarterfinals of the Rings King of Kings 2000 tournament.