Tetsuya Seki
UFC Debut
Record
Streak
L1
Age
Date of birth
- Fighting out of
- Yokohama, Kanagawa
- Born
- Japan
- Camp
- Sonic Squad
- Weight class
- Featherweight
- Height
- 5'10" · 178 cm
Before the UFC
Tetsuya Seki 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
155-78-13
.665 win rate
Winning-record opponents
9 of 11
carried winning pro records
Pro bouts faced
30
11 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 30 bouts · 7 promotions · wins by 9 KO · 3 sub · 6 decZst · RIZIN · Deep · Zst 58 · AFC 19 +2
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Kaito Yoshimura | Decision | Unanimous | R3 | 5:00 | Deep | Feb 23, 2026 |
| W | Hiroto Gomyo | Decision | Unanimous | R3 | 5:00 | Deep | Sep 15, 2025 |
| L | Karshyga Dautbek19-3 | KO/TKO | Punch to the Body | R1 | 3:11 | RIZIN | Jun 9, 2024 |
| W | Kisugi Endo | Decision | Unanimous | R3 | 5:00 | RIZIN | Jun 24, 2023 |
| L | Yoshiki Nakahara18-8 | Decision | Unanimous | R3 | 5:00 | RIZIN | Jul 31, 2022 |
| W | Akira Haraguchi10-7 | Decision | Unanimous | R3 | 5:00 | RIZIN | May 5, 2022 |
| W | Ayumu Yamamoto | Submission | Triangle Armbar | R1 | 2:50 | Deep | Dec 12, 2021 |
| L | Daiki Hata23-15-6 | Decision | Unanimous | R3 | 5:00 | Deep | Sep 23, 2021 |
| L | Yoshinori Horie15-6 | KO/TKO | Punch | R3 | 1:16 | RIZIN | Mar 21, 2021 |
| W | Kouya Kanda | KO/TKO | Punches | R2 | 3:47 | RIZIN | Aug 9, 2020 |
| W | Yamato Hamamatsu | Decision | Unanimous | R2 | 5:00 | Zst | Aug 13, 2019 |
| W | Takumi Suzuki15-9 | KO/TKO | Punches | R3 | 2:05 | Zst | Jan 27, 2019 |
| D | Callum Lewis | Draw | Majority | R2 | 5:00 | Zst | Aug 13, 2018 |
| W | Tomomitsu Hinuma7-10-4 | Decision | Unanimous | R2 | 5:00 | Zst | Mar 17, 2018 |
| W | Hiroki Kitsukawa | Decision | Split | R2 | 1:56 | Zst 58 | Nov 25, 2017 |
| W | Yutaka Shimamura | KO/TKO | Punches | R2 | 1:43 | Zst | Sep 10, 2017 |
| W | Nikos Trepca5-5-1 | KO/TKO | Punches | R3 | — | AFC 19 | Apr 15, 2017 |
| W | Naoto Shimizu | KO/TKO | Punches | R2 | 4:07 | Zst | Feb 24, 2017 |
| W | Hiroki Kitsukawa | Submission | Straight Armbar | R2 | 3:28 | Zst | Nov 27, 2016 |
| L | Tetsuya Yamamoto6-5 | Decision | Unanimous | R3 | 3:00 | Vale Tudo Japan | Sep 19, 2016 |
| W | Ken Kawamura | KO/TKO | Punches | R2 | 2:24 | Zst | Aug 7, 2016 |
| L | KO/TKO | Punches | R1 | 2:30 | WLF | May 28, 2016 | |
| L | Hitoshi Ogasawara | KO/TKO | Doctor Stoppage | R2 | 2:53 | Zst | Oct 18, 2015 |
| L | Nobuyuki Kanaizuka | Submission | Rear-Naked Choke | R2 | 0:52 | Zst | Aug 1, 2015 |
| W | Tomoyuki Manabe | KO/TKO | Knee | R1 | 2:30 | Zst | May 24, 2015 |
| L | Yuto Hiyama | Decision | Majority | R2 | 5:00 | Zst | Nov 23, 2014 |
| W | Ryota Kobayashi | KO/TKO | Punches | R2 | 1:16 | Zst | Aug 31, 2014 |
| W | Koji Suzuki | KO/TKO | Punches | R2 | 4:51 | Zst | Jun 29, 2014 |
| L | Go Kashiwazaki16-1-2 | KO/TKO | Corner Stoppage | R2 | 4:19 | Zst | Dec 22, 2013 |
| W | Nobuhiro Tanaka | Submission | Guillotine Choke | R1 | 2:11 | Zst | Oct 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.