Kota Yamaguchi is a Japanese mixed martial artist with a professional record of 3-8 across 11 bouts. They've won 1 by KO/TKO, 1 by submission and 1 by decision — a 67 % finish rate. Currently on a 3-fight skid. Last competed November 2025 (active). Has fought most often in Japan (11 bouts).
Fight locations (2 venues)
Career timeline — fights by year
Frequently asked
What is Kota Yamaguchi's MMA record?
Kota Yamaguchi has a professional MMA record of 3-8 — 1 wins by KO/TKO, 1 by submission, 1 by decision.
How does Kota Yamaguchi usually win?
They most often win by submission (1 of 3 wins).
How does Kota Yamaguchi usually lose?
Most of Kota Yamaguchi's losses come by submission (4 of 8).
Is Kota Yamaguchi still active?
Kota Yamaguchi last competed in November 2025, and is considered active (no bout in over two years).
What is Kota Yamaguchi's fastest finish?
submission of Ryo Iwami in 5:49 (Rd 2) at Deep - Tokyo Impact 2023 2nd Round.
Where is Kota Yamaguchi from?
Kota Yamaguchi is a Japanese mixed martial artist.
What is Kota Yamaguchi's longest MMA win streak?
Kota Yamaguchi's longest winning run on record is 2 straight victories.
Where does Kota Yamaguchi rank in MMA?
Kota Yamaguchi sits at #30,239 of 32,631 fighters in the Fight Forensics global MMA rankings.