THE COMPLETE RECORD
This profile is part of the recursive Fight Atlas graph. Open any opponent below to load that athlete’s complete professional career, then continue through every linked opponent without returning to a third-party record page.
EVERY RECORDED BOUT
Complete professional fight history, including competition before and outside UFC. Use the controls to isolate an opponent, promotion, method or result.
| Result | Date / record | Opponent | Event | Finish details |
|---|---|---|---|---|
| L | 9–5–1 after bout | Takeshi KasugaiView status and profile → | Pancrase - 278 | Technical Submission (Rear-Naked Choke)Round 1 Time 3:18 Referee Junichi Ota |
| W | 9–4–1 after bout | Shunichi ShimizuView status and profile → | Pancrase - 274 | Technical Decision (Split)Round 3 Time 0:11 Referee Ryogaku Wada |
| L | 8–4–1 after bout | Ryuichi MikiView status and profile → | Pancrase - 270 | Decision (Unanimous)Round 3 Time 5:00 Referee Yoshinori Umeki |
| W | 8–3–1 after bout | Masatoshi UedaView status and profile → | Pancrase - 267 | Decision (Unanimous)Round 3 Time 5:00 Referee Masato Fukuda |
| W | 7–3–1 after bout | Yusuke KitagoView status and profile → | Pancrase - 263 | Decision (Unanimous)Round 3 Time 5:00 Referee Minoru Toyonaga |
| L | 6–3–1 after bout | Riku ShibuyaView status and profile → | Tribe Tokyo Fight - TTF Challenge 02 | Decision (Unanimous)Round 3 Time 5:00 Referee Yoshinori Umeki |
| L | 6–2–1 after bout | Yuya ShibataView status and profile → | Tribe Tokyo Fight - TTF Challenge 01 | Submission (Triangle Choke)Round 1 Time 3:45 Referee Tomoki Matsumiya |
| W | 6–1–1 after bout | Tatsuya SoView status and profile → | Pancrase - 256 | Decision (Majority)Round 2 Time 5:00 Referee Minoru Toyonaga |
| D | 5–1–1 after bout | Isao HiroseView status and profile → | Pancrase - 255 | Draw (Majority)Round 2 Time 5:00 Referee Minoru Toyonaga |
| W | 5–1–0 after bout | Daichi KitakataView status and profile → | Pancrase - 249 | KO (Punch)Round 1 Time 4:36 Referee Yoshinori Umeki |
| W | 4–1–0 after bout | Yuki YasunagaView status and profile → | Pancrase - 247 | KO (Punch)Round 1 Time 0:36 Referee Kenji Kosuge |
| W | 3–1–0 after bout | Yusuke KitagoView status and profile → | Pancrase - 245 | Decision (Unanimous)Round 2 Time 5:00 Referee Kenji Kosuge |
| L | 2–1–0 after bout | Atsushi YamamotoView status and profile → | Pancrase - Progress Tour 12: All Eyes on Yuki Kondo | Decision (Unanimous)Round 3 Time 5:00 Referee Yoshinori Umeki |
| W | 2–0–0 after bout | Chikara ShimabukuroView status and profile → | Pancrase - Progress Tour 10 | Decision (Unanimous)Round 2 Time 5:00 Referee Yuuichi Yachi |
| W | 1–0–0 after bout | Shohei TakamatsuView status and profile → | Pancrase - Progress Tour 5 | Decision (Unanimous)Round 2 Time 5:00 Referee Minoru Toyonaga |
Fight Atlas republishes factual bout results, not source articles or photography. Belt markers appear only when championship status is confirmed by an official promotion source; unverified bouts are never inferred. The matched source name for this profile is Yasutaka Koga.
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15 professional bout rows are displayed from the source record. 14 unique opponent identities have a stable source ID and an internal Fight Atlas route. Every opponent row has a verified identity link.
Source and correction standard
The complete professional history is retrieved from the established public fight-record source and cached for up to 24 hours. Current-roster status remains separate from historical career data and does not imply retirement.