Hideki Sekine
UFC DebutNickname“Shrek / Big Body”
Record
Streak
W1
Age
Date of birth
- Fighting out of
- Iwata, Shizuoka
- Born
- Japan
- Camp
- Bonsai Jiu-Jitsu
- Weight class
- Heavyweight
- Height
- 5'9" · 175 cm
Before the UFC
Hideki Sekine 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
DevelopmentalOpponents' combined record
145-166-7
.466 win rate
Winning-record opponents
5 of 17
carried winning pro records
Pro bouts faced
22
17 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 22 bouts · 6 promotions · wins by 9 KO · 4 sub · 1 decDeep · RIZIN · ONE · ROMAN · Knuckle's 15 +1
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Akira Shoji14-18-5 | KO/TKO | Elbows | R1 | 9:11 | ROMAN | Mar 15, 2026 |
| L | Babacar Gaye | KO/TKO | Punch | R1 | 0:25 | ROMAN | Apr 27, 2025 |
| L | Mikio Ueda5-3 | KO/TKO | Punches and Head Kick | R1 | 0:22 | RIZIN | Jun 24, 2023 |
| W | Takumi Hayashida | Submission | Armbar | R1 | 1:01 | Knuckle's 15 | Apr 23, 2023 |
| L | KO/TKO | Punch | R1 | 0:53 | RIZIN | Jul 31, 2022 | |
| W | Satoshi Kamiyama | KO/TKO | Soccer Kicks and Punches | R2 | 3:49 | RIZIN | Apr 16, 2022 |
| W | Shoma Shibisai | KO/TKO | Punches | R2 | 2:09 | RIZIN | Dec 31, 2021 |
| W | Keisuke Nakamura | KO/TKO | Punches | R2 | 2:40 | Deep | Sep 19, 2021 |
| W | Seigo Mizuguchi18-27 | KO/TKO | Punches | R1 | 0:16 | Deep | Feb 21, 2021 |
| L | Ryo Sakai15-15 | KO/TKO | Punches | R2 | 4:55 | Deep | Aug 23, 2020 |
| L | Roque Martinez19-11-2 | KO/TKO | Soccer Kicks and Punches | R1 | 4:04 | RIZIN | Feb 22, 2020 |
| W | KO/TKO | Punches | R1 | 4:41 | Deep | Sep 15, 2019 | |
| L | KO/TKO | Punches | R2 | 1:44 | ONE | Nov 23, 2018 | |
| L | Alain Ngalani4-6 | KO/TKO | Punch | R1 | 0:11 | ONE | Sep 16, 2017 |
| L | Brandon Vera16-10 | KO/TKO | Body Kick and Punches | R1 | 3:11 | ONE | Dec 2, 2016 |
| W | Ryuta Kono0-1 | KO/TKO | Punches | R1 | 2:26 | RFC | Dec 23, 2014 |
| W | Toshio Gunji1-2 | KO/TKO | Punches | R1 | 3:16 | Deep | Sep 14, 2014 |
| W | Ryo Sakai15-15 | Decision | Unanimous | R2 | 5:00 | Deep | Jun 15, 2013 |
| W | Shigeki Tsuchiya1-10 | Submission | Armbar | R1 | 1:36 | Deep | Dec 8, 2012 |
| W | Seigo Mizuguchi18-27 | KO/TKO | Punches | R2 | 2:38 | Deep | Dec 11, 2010 |
| W | Makoto Kato0-4 | Submission | Armbar | R1 | 1:37 | Deep | Sep 19, 2010 |
| W | Yasuaki Urayama1-3 | Submission | Kneebar | R1 | 3:09 | Deep | Sep 27, 2009 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.