Before the UFC
Erson Yamamoto makes their UFC debut
Our striking, grappling, and schedule metrics are measured from UFC fights, so they come online after this bout. Here is the career they bring in — and how live the opposition has been.
Pre-UFC opposition
StrongOpponents' combined record
200-107-3
.651 win rate
Winning-record opponents
9 of 12
carried winning pro records
Pro bouts faced
15
12 opponents with records on file
A descriptive read of the non-UFC slate from opponents’ full career pro records — not a UFC-grade Schedule Score.
UFC fight history
No UFC bouts on record yet.
Outside the UFC
across 15 bouts · 2 promotions · wins by 2 KO · 1 sub · 4 decRIZIN · KOTC
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Hiroya Kondo | Decision | Unanimous | R3 | 5:00 | RIZIN | Jul 18, 2026 |
| W | Yuki Ito20-7 | Decision | Unanimous | R3 | 5:00 | RIZIN | Sep 28, 2025 |
| L | Makoto Takahashi23-5-1 | Submission | Guillotine Choke | R1 | 2:55 | RIZIN | Jul 27, 2025 |
| W | Daichi Tomizawa | Submission | Face Crank | R2 | 1:24 | RIZIN | May 4, 2025 |
| L | Yuya Shibata19-8 | Submission | Kneebar | R1 | 1:45 | RIZIN | Mar 23, 2024 |
| L | Ryuya Fukuda26-10-1 | KO/TKO | Doctor Stoppage | R3 | 1:37 | RIZIN | Sep 24, 2023 |
| W | Yuki Ito20-7 | Decision | Unanimous | R3 | 5:00 | RIZIN | May 6, 2023 |
| L | Kenji Kato | KO/TKO | Punch | R1 | 3:32 | RIZIN | Aug 9, 2020 |
| W | KO/TKO | Elbow | R1 | 2:04 | RIZIN | Jun 2, 2019 | |
| L | Kazuyuki Miyata16-9 | Submission | Hammerlock | R2 | 3:23 | RIZIN | Dec 31, 2018 |
| L | Manel Kape22-7 | KO/TKO | Head Kick and Punch | R1 | 1:11 | RIZIN | Oct 15, 2017 |
| W | Jesse Rogge2-6 | KO/TKO | Doctor Stoppage | R1 | 2:01 | KOTC | Jun 9, 2017 |
| L | Hideo Tokoro36-34-1 | Submission | Armbar | R1 | 1:19 | RIZIN | Dec 31, 2016 |
| W | Decision | Split | R2 | 5:00 | RIZIN | Sep 25, 2016 | |
| L | Kron Gracie5-3 | Submission | Triangle Choke | R1 | 4:57 | RIZIN | Dec 31, 2015 |
Non-UFC bouts (regional/other promotions) and Dana White’s Contender Series — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.