Ryutaro Shiga is a Japanese mixed martial artist with a professional record of 6-4-1 across 11 bouts. They've won 1 by KO/TKO, 1 by submission and 4 by decision — a 33 % finish rate. Most wins come by decision. Last competed February 2026 (active). Has fought most often in Japan (11 bouts).
Fight locations (6 venues)
Career timeline — fights by year
Frequently asked
What is Ryutaro Shiga's MMA record?
Ryutaro Shiga has a professional MMA record of 6-4-1 — 1 wins by KO/TKO, 1 by submission, 4 by decision.
How does Ryutaro Shiga usually win?
They most often win by decision (4 of 6 wins).
How does Ryutaro Shiga usually lose?
Most of Ryutaro Shiga's losses come by KO/TKO (2 of 4).
Is Ryutaro Shiga still active?
Ryutaro Shiga last competed in February 2026, and is considered active (no bout in over two years).
What is Ryutaro Shiga's fastest finish?
KO/TKO of Hiroshi Roppongi in 2:05 (Rd 1) at Shooto - Gig Tokyo 25.
Where is Ryutaro Shiga from?
Ryutaro Shiga is a Japanese mixed martial artist.
What is Ryutaro Shiga's longest MMA win streak?
Ryutaro Shiga's longest winning run on record is 2 straight victories.
Where does Ryutaro Shiga rank in MMA?
Ryutaro Shiga sits at #19,655 of 32,631 fighters in the Fight Forensics global MMA rankings.