Genpei Hayashi
UFC Debut
Record
Streak
W1
Age
Date of birth
- Fighting out of
- Susono, Shizuoka
- Born
- Japan
- Camp
- Iggy Hand's Gym
- Weight class
- Middleweight
- Height
- 5'11" · 180 cm
Before the UFC
Genpei Hayashi 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
ModerateOpponents' combined record
272-201-33
.575 win rate
Winning-record opponents
12 of 18
carried winning pro records
Pro bouts faced
27
18 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 27 bouts · 2 promotions · wins by 6 KO · 7 decPancrase · Deep
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Akira Hirata | KO/TKO | Punch | R1 | 3:17 | Pancrase | Mar 14, 2026 |
| L | Ryutaro Sato | Decision | Unanimous | R3 | 5:00 | Pancrase | Jul 27, 2025 |
| L | Ryuichiro Sumimura27-8-1 | KO/TKO | Punches | R5 | 2:09 | Pancrase | Dec 24, 2023 |
| W | Akihiro Murayama25-15-9 | Decision | Unanimous | R5 | 5:00 | Pancrase | Jun 4, 2023 |
| W | KO/TKO | Punches | R1 | 3:33 | Pancrase | Dec 25, 2022 | |
| W | Yuta Nakamura23-27-3 | Decision | Unanimous | R3 | 5:00 | Pancrase | Sep 11, 2022 |
| L | Kousuke Kindaichi11-4-2 | Decision | Unanimous | R3 | 5:00 | Pancrase | Dec 12, 2021 |
| L | Kazuki Kasai10-6 | Decision | Unanimous | R3 | 5:00 | Pancrase | Sep 12, 2021 |
| L | Tatsuya Saika14-8 | KO/TKO | Punch | R1 | 1:55 | Pancrase | Sep 27, 2020 |
| W | Kenichiro Togashi19-17-5 | Decision | Split | R3 | 5:00 | Pancrase | Sep 29, 2019 |
| W | Ukyo Abe | KO/TKO | Elbows and Punches | R1 | 2:39 | Pancrase | Jun 30, 2019 |
| L | Yuki Niimura | Decision | Majority | R3 | 0:01 | Pancrase | Aug 5, 2018 |
| L | Ken Hasegawa18-6-1 | Submission | Arm-Triangle Choke | R1 | 3:09 | Deep | Feb 24, 2018 |
| L | Tatsuya Mizuno27-16-1 | Decision | Unanimous | R3 | 5:00 | Deep | Sep 16, 2017 |
| L | Decision | Unanimous | R3 | 5:00 | Pancrase | Jul 16, 2017 | |
| W | Juntaro Ami | Decision | Unanimous | R3 | 3:00 | Pancrase | Sep 11, 2016 |
| W | Shigeaki Kusayanagi | Decision | Unanimous | R3 | 3:00 | Pancrase | Jun 12, 2016 |
| W | Atsushi Ueda17-23-7 | Decision | Unanimous | R3 | 3:00 | Pancrase | Jan 31, 2016 |
| L | Shunpei Ota7-5 | Decision | Unanimous | R3 | 3:00 | Pancrase | Oct 4, 2015 |
| W | Yutaka Kobayashi17-21-3 | KO/TKO | Punch | R2 | 2:09 | Pancrase | Feb 1, 2015 |
| L | Takashi Sato16-9 | KO/TKO | Punches | R1 | 2:51 | Pancrase | Aug 10, 2014 |
| D | Hiroshi Takahashi | Draw | Split | R2 | 5:00 | Deep | May 25, 2014 |
| W | Shotaro Yabe2-4 | Decision | Unanimous | R3 | 3:00 | Pancrase | Apr 20, 2014 |
| W | Junya Nishikawa | KO/TKO | Soccer Kick | R1 | 1:55 | Pancrase | Feb 2, 2014 |
| L | Takashi Matsuoka17-12-1 | Decision | Unanimous | R2 | 5:00 | Pancrase | Dec 8, 2013 |
| L | Ben Buchan7-9 | Submission | Rear-Naked Choke | R1 | 1:14 | Pancrase | May 19, 2013 |
| W | Akihito Hara | KO/TKO | Punches | R2 | 0:45 | Pancrase | Jan 12, 2013 |
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.
Amateur
2-0-1across 3 amateur bouts · 2 promotionsJML · Battle Code
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Keishu Suzuki | Decision | Unanimous | R2 | 4:00 | Battle Code | Oct 21, 2012 |
| D | Malcolm Hendrix1-2-1 | Draw | Unanimous | R2 | 3:00 | JML | Oct 14, 2012 |
| W | Takaya Imaizumi0-1 | KO/TKO | Punches | R2 | 0:43 | JML | Aug 19, 2012 |
Amateur (pre-professional) bouts — shown for context only and excluded from the professional record and every UFC-scoped metric.