0-4
Pro W–L
Ruka Onuki is a Japanese mixed martial artist with a professional record of 0-4 across 4 bouts. Currently on a 4-fight skid. Last competed November 2025 (active). Has fought most often in Japan (4 bouts).
Finish rate
0 %
Wins by
0 KO · 0 SUB · 0 DEC
Current streak
L4
Usually loses by
submission
Fastest loss
0:46 (Rd 1)
vs Ryuichiro Fujiki
Most fights in
Japan 4
Last fought
Nov 2025 · Active
Fight locations (3 venues)
Career timeline — fights by year
Wins
Losses
Frequently asked
What is Ruka Onuki's MMA record?
Ruka Onuki has a professional MMA record of 0-4.
How does Ruka Onuki usually lose?
Most of Ruka Onuki's losses come by submission (3 of 4).
Is Ruka Onuki still active?
Ruka Onuki last competed in November 2025, and is considered active (no bout in over two years).
Where is Ruka Onuki from?
Ruka Onuki is a Japanese mixed martial artist.
Pro MMA (4)
L
2025-08-31
R1 1:01
L
2025-04-27
R1 0:46