Issa Hosokawa
Lightweight (69kg catchweight at RIZIN.54) · Japan · RIZIN
Striking-based, with a childhood background in Kyokushin-style karate. He has no pro MMA record; the Naoki Tanaka fight at RIZIN.54 is his professional MMA debut.
Record & stats
| Division | Lightweight (69kg catchweight at RIZIN.54) |
|---|---|
| Categories | MMA |
| Promotion | RIZIN |
| Nationality | Japan |
| Born | Aichi, Japan |
| Team | Free agent (per official RIZIN card) |
| Height | 181cm5′11″ |
| Reach | 177cm5′10″ |
| Age | 26 |
| Status | Active |
Recent results
- Lvs NaokiNaoki wins by doctor's stoppage (TKO), R2
Auto-linked from KIAI's event coverage — updated as fights are decided.
Titles & honors
- 2nd BreakingDown lightweight champion (2025)
Biography
Issa Hosokawa (born 7 April 2000, from Aichi, age 26) is the 2nd BreakingDown lightweight champion. His pro MMA record stands at 0-0: his bout against Naoki Tanaka in Bout 2 of RIZIN.54 on 11 August 2026, at a 69kg catchweight, is his professional MMA debut. He is listed as a free agent on the official RIZIN card.
Career
He trained in Kyokushin-style karate as a child. In BreakingDown he won the "top of 100 street-fight champions" tournament and became the 2nd BreakingDown lightweight champion in 2025. His only professional kickboxing bout came at RIZIN DECADE on 31 December 2024, on the "Raijin Bangaichi" portion of the card under kickboxing rules, where he lost to Masa Patrick Usami (宇佐美正パトリック) by TKO (referee stoppage) at 2:59 of round two — a 0-1 pro kickboxing record. He faced Usami again at BreakingDown 20 on 14 June 2026 and lost a 0-4 decision. BreakingDown results are not counted in his pro MMA record.
RIZIN.54
This is his second RIZIN appearance after RIZIN DECADE, and his first on a numbered RIZIN card. Bout 2 against Naoki Tanaka — the former RISE lightweight champion — at a 69kg catchweight is his pro MMA debut. He stands 181cm with a 177cm reach (RIZIN official) and made the official weigh-in at 68.95kg. As of the start of RIZIN.54 on 11 August 2026, he has no pro MMA record yet.
Main sources: Wikipedia, Tapology, RIZIN official (weigh-in), Gong Kakutogi. Figures as of 11 August 2026, before the start of RIZIN.54.
--- RIZIN.54 result (updated 2026-08-11): He lost to Naoki — doctor's stoppage (L TKO R2 (doctor's stoppage)). Full card results: RIZIN 54 results.
Fight history
- LNaokiL TKO R2 (doctor's stoppage)
FAQ
- What is Issa Hosokawa's record?
- 0-0 in pro MMA as of 11 August 2026 (before the start of RIZIN.54) — his bout against Naoki Tanaka at RIZIN.54 is his professional MMA debut. His only pro kickboxing bout, at RIZIN DECADE on 31 December 2024, ended in a loss (0-1).
- How tall is Issa Hosokawa?
- He is 181cm tall with a 177cm reach (RIZIN official). He made the official RIZIN.54 weigh-in (69kg catchweight) at 68.95kg.
- When is Issa Hosokawa's next fight?
- No next fight announced as of August 11, 2026. He most recently lost against Naoki at RIZIN.54 on August 11, 2026.
- What did Issa Hosokawa achieve in BreakingDown?
- He won the "top of 100 street-fight champions" tournament and became the 2nd BreakingDown lightweight champion in 2025. He lost a 0-4 decision in a rematch with Masa Patrick Usami at BreakingDown 20 on 14 June 2026. BreakingDown results are not counted in his pro MMA record.