Genpei Hayashi is a Japanese mixed martial artist with a professional record of 15-13-2 across 30 bouts. They've won 7 by KO/TKO, 0 by submission and 8 by decision — a 47 % finish rate. Most wins come by decision. Last competed March 2026 (active). Has fought most often in Japan (29 bouts).
Fight locations (8 venues)
Career timeline — fights by year
Frequently asked
What is Genpei Hayashi's MMA record?
Genpei Hayashi has a professional MMA record of 15-13-2 — 7 wins by KO/TKO, 0 by submission, 8 by decision.
How does Genpei Hayashi usually win?
They most often win by decision (8 of 15 wins).
How does Genpei Hayashi usually lose?
Most of Genpei Hayashi's losses come by decision (8 of 13).
Is Genpei Hayashi still active?
Genpei Hayashi last competed in March 2026, and is considered active (no bout in over two years).
What is Genpei Hayashi's fastest finish?
KO/TKO of Junya Nishikawa in 1:55 (Rd 1) at Pancrase - 256.
Where is Genpei Hayashi from?
Genpei Hayashi is a Japanese mixed martial artist.
What is Genpei Hayashi's longest MMA win streak?
Genpei Hayashi's longest winning run on record is 3 straight victories.
Where does Genpei Hayashi rank in MMA?
Genpei Hayashi sits at #13,158 of 32,631 fighters in the Fight Forensics global MMA rankings.