3-0
Pro W–L
Ayumu Koiwai is a Japanese mixed martial artist with a professional record of 3-0 across 3 bouts. They've won 1 by KO/TKO, 0 by submission and 2 by decision — a 33 % finish rate. Most wins come by decision. Currently on a 3-fight win streak. Last competed June 2026 (active). Has fought most often in Japan (3 bouts).
Finish rate
33 %
Wins by
1 KO · 0 SUB · 2 DEC
Current streak
W3
Usually wins by
decision
Fastest win
9:38 (Rd 2)
vs Yoshiro Kado
Most fights in
Japan 3
Last fought
Jun 2026 · Active
Fight locations (2 venues)
Career timeline — fights by year
Wins
Losses
Frequently asked
What is Ayumu Koiwai's MMA record?
Ayumu Koiwai has a professional MMA record of 3-0 — 1 wins by KO/TKO, 0 by submission, 2 by decision.
How does Ayumu Koiwai usually win?
They most often win by decision (2 of 3 wins).
Is Ayumu Koiwai still active?
Ayumu Koiwai last competed in June 2026, and is considered active (no bout in over two years).
What is Ayumu Koiwai's fastest finish?
KO/TKO of Yoshiro Kado in 9:38 (Rd 2) at KROSSxOVER - Cage 9.
Where is Ayumu Koiwai from?
Ayumu Koiwai is a Japanese mixed martial artist.
What is Ayumu Koiwai's longest MMA win streak?
Ayumu Koiwai's longest winning run on record is 3 straight victories.
Pro MMA (3)
W
2025-05-05
R2 3:00