Isao Kobayashi
UFC Debut
Record
Streak
L4
Age
Date of birth
- Fighting out of
- Osaki, Miyagi
- Born
- Japan
- Camp
- Never Quit
- Weight class
- Lightweight
- Height
- 5'8" · 173 cm
Before the UFC
Isao Kobayashi 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
663-392-74
.628 win rate
Winning-record opponents
30 of 35
carried winning pro records
Pro bouts faced
38
35 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 38 bouts · 6 promotions · wins by 9 KO · 2 sub · 14 decPancrase · Bellator · Vale Tudo Japan · Tribelate · RIZIN +1
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Yusuke Yachi29-16 | Decision | Unanimous | R3 | 5:00 | RIZIN | Jun 6, 2026 |
| L | Yusuke Kasuya16-10-2 | Submission | Rear-Naked Choke | R2 | 0:44 | Pancrase | Dec 21, 2025 |
| L | Kalybek Arzykul Uulu | KO/TKO | Punch | R1 | 1:47 | Pancrase | Jul 27, 2025 |
| L | Yves Landu21-11 | Decision | Split | R3 | 5:00 | Bellator | Nov 17, 2023 |
| W | Taichi Nakajima19-14 | Decision | Unanimous | R5 | 5:00 | Pancrase | May 30, 2021 |
| W | Akira Okada19-11-4 | Decision | Unanimous | R3 | 5:00 | Pancrase | Jul 24, 2020 |
| W | Kyle Aguon14-12 | Decision | Split | R5 | 5:00 | Pancrase | Oct 20, 2019 |
| W | Nazareno Malegarie29-6-1 | Decision | Unanimous | R5 | 5:00 | Pancrase | May 26, 2019 |
| W | Disqualification | Illegal Knee | R1 | 4:34 | Pancrase | Apr 15, 2018 | |
| W | Yusuke Kasuya16-10-2 | Decision | Unanimous | R3 | 5:00 | Pancrase | Dec 10, 2017 |
| L | Kyle Aguon14-12 | Decision | Split | R3 | 5:00 | Pancrase | Aug 20, 2017 |
| W | Marko Burusic10-7 | KO/TKO | Punches | R2 | 4:34 | Pancrase | Apr 23, 2017 |
| W | Hiroyuki Takaya23-15-2 | Decision | Unanimous | R3 | 5:00 | Pancrase | Dec 18, 2016 |
| W | Yutaka Saito21-9-2 | Decision | Split | R5 | 5:00 | Vale Tudo Japan | Sep 19, 2016 |
| L | Justin Lawrence11-5 | KO/TKO | Punches | R2 | 2:49 | Bellator | Jun 24, 2016 |
| L | Goiti Yamauchi31-7 | Submission | Rear-Naked Choke | R3 | 3:50 | Bellator | Oct 23, 2015 |
| W | Will Chope42-24 | Decision | Unanimous | R3 | 5:00 | Pancrase | Aug 9, 2015 |
| W | Marlon Sandro29-7-2 | Decision | Split | R3 | 5:00 | Pancrase | Apr 26, 2015 |
| L | Kazunori Yokota25-9-3 | Decision | Unanimous | R3 | 5:00 | Deep | Dec 31, 2014 |
| W | Takeshi Inoue25-13 | Decision | Unanimous | R3 | 5:00 | Vale Tudo Japan | Oct 4, 2014 |
| W | KO/TKO | Punch and Soccer Kick | R3 | 3:58 | Pancrase | Mar 30, 2014 | |
| W | Yoshiaki Takahashi12-8-2 | Decision | Majority | R3 | 5:00 | Pancrase | Sep 29, 2013 |
| D | Jorge Patino40-19-2 | Draw | Unanimous | R3 | 5:00 | Pancrase | Mar 17, 2013 |
| W | Kenichiro Togashi19-17-5 | KO/TKO | Punches | R1 | 0:16 | Pancrase | Dec 1, 2012 |
| W | Submission | Straight Armbar | R1 | 3:05 | Pancrase | Sep 1, 2012 | |
| W | Koji Oishi25-10-10 | Decision | Unanimous | R3 | 5:00 | Pancrase | Apr 1, 2012 |
| W | Kazuki Tokudome20-12-1 | KO/TKO | Punches | R1 | 4:14 | Pancrase | Dec 3, 2011 |
| W | Tomoyoshi Iwamiya6-12-4 | Decision | Unanimous | R3 | 5:00 | Pancrase | Aug 7, 2011 |
| W | Yukinari Tamura15-14-9 | Decision | Split | R3 | 5:00 | Pancrase | May 3, 2011 |
| W | Artur Umakhanov9-6 | Submission | Guillotine Choke | R1 | 4:21 | Pancrase | Nov 3, 2010 |
| D | Tomoyoshi Iwamiya6-12-4 | Draw | Split | R2 | 5:00 | Pancrase | Jul 4, 2010 |
| L | Koji Oishi25-10-10 | Decision | Unanimous | R3 | 5:00 | Pancrase | Apr 4, 2010 |
| W | Hiroki Aoki16-14-2 | KO/TKO | Punches | R1 | 1:00 | Pancrase | Feb 7, 2010 |
| W | Hiroki Aoki16-14-2 | Disqualification | Groin Kick | R1 | 0:50 | Pancrase | Oct 25, 2009 |
| W | Hirotaka Tomiyama1-6-1 | KO/TKO | Punches | R1 | 4:58 | Pancrase | Aug 8, 2009 |
| W | Koji Nakamura16-18-4 | KO/TKO | Punch | R2 | 1:03 | Pancrase | Jun 7, 2009 |
| W | Yoichi Kono | KO/TKO | Punches | R1 | 1:10 | Tribelate | Apr 25, 2009 |
| W | Dae Yeon Lee | KO/TKO | Punches | R1 | 5:00 | Tribelate | Apr 26, 2008 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.
Amateur
0-0-2across 2 amateur bouts · 1 promotionPancrase
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| D | Yuki Tokushige0-1 | Draw | Time Limit | R2 | 5:00 | Pancrase | Dec 7, 2008 |
| D | Shigeaki Kusayanagi | Draw | Time Limit | R2 | 5:00 | Pancrase | Oct 1, 2008 |
Amateur (pre-professional) bouts — shown for context only and excluded from the professional record and every UFC-scoped metric.