Ultimate Fighting Calendar
Isao Kobayashi
Fighter

Isao Kobayashi

27-9-2JapanJapanLast 5
Amateur MMA 0-0-2
NEXT FIGHT

No upcoming fight scheduled.

CAREER SUMMARY

Isao Kobayashi holds a professional MMA record of 27-9-2. Their full professional MMA career spans 38 bouts on record. Isao Kobayashi has won 27 fights: 9 by KO/TKO, 2 by submission, 16 by decision. Of 9 career losses, 2 came by KO/TKO and 2 by submission. Most recent fight: June 6, 2026. Tracked organizations: RIZIN.

Profile

Height
5'8"173 cm
Weight
155 lbs70 kg
Reach
68"173 cm
DOB
1988-10-28
Age
37
Nationality
Japan
Birthplace
Osaki, Miyagi, Japan

Career history

  1. LOSS
    vs Yusuke Yachi
    RIZINRizin FF - Landmark Vol. 14· Jun 6, 2026· Lightweight· 27-8-2 vs 28-16
    UD
    R3 · 5:00
  2. LOSS
    vs Yusuke Kasuya
    Pancrase 360· Dec 20, 2025· Lightweight· 27-7-2 vs 15-10-2
    SUB
    R2 · 0:44
  3. LOSS
    vs Kalybek Arzykul Uulu
    Pancrase 355· Jul 27, 2025· Featherweight· 27-6-2 vs 11-1
    TKO
    R1 · 1:47
  4. LOSS
    vs Yves Landu
    Bellator 301· Nov 17, 2023· Featherweight· 27-5-2 vs 19-9
    SD
  5. WIN
    vs Taichi Nakajima×4Title bout · Title win #4
    Pancrase 321· May 30, 2021· Featherweight· 26-5-2 vs 14-10-1
    UD
  6. WIN
    vs Akira Okada
    Pancrase 316· Jul 24, 2020· Featherweight· 25-5-2 vs 13-7-4
    UD
  7. WIN
    vs Kyle Aguon×3Title bout · Title win #3
    Pancrase 309· Oct 20, 2019· Featherweight· 24-5-2 vs 13-7
    SD
  8. WIN
    vs Nazareno Malegarie
    Pancrase 305· May 26, 2019· Featherweight· 23-5-2 vs 33-5-1
    UD
  9. WIN
    vs Koyomi Matsushima×2Title bout · Title win #2
    Pancrase 295· Apr 15, 2018· Featherweight· 22-5-2 vs 9-2
    DQ
    R1 · 4:30
  10. WIN
    vs Yusuke Kasuya
    Pancrase 292· Dec 10, 2017· Featherweight· 21-5-2 vs 10-4-2
    UD
  11. LOSS
    vs Kyle Aguon
    Pancrase 289· Aug 20, 2017· Featherweight· 21-4-2 vs 10-6
    SD
  12. WIN
    vs Marko Burusic
    Pancrase 286· Apr 23, 2017· Featherweight· 20-4-2 vs 9-5
    TKO
    R2 · 4:34
  13. WIN
    vs Hiroyuki Takaya
    Pancrase 283· Dec 18, 2016· Featherweight· 19-4-2 vs 21-13-2
    UD
  14. WIN
    vs Yutaka Saito
    VTJ 8th· Sep 19, 2016· 18-4-2 vs 12-1-2
    SD
  15. LOSS
    vs Justin Lawrence
    Bellator 157· Jun 24, 2016· Featherweight· 18-3-2 vs 8-3
    TKO
    R2 · 2:11
  16. LOSS
    vs Goiti Yamauchi
    Bellator 144· Oct 23, 2015· Featherweight· 18-2-2 vs 18-2
    SUB
    R3 · 3:50
  17. WIN
    vs Will Chope
    Pancrase 269· Aug 9, 2015· Featherweight· 17-2-2 vs 24-7
    UD
  18. WIN
    vs Marlon Sandro
    Pancrase 266· Apr 26, 2015· Featherweight· 16-2-2 vs 25-5-1
    SD
  19. LOSS
    vs Kazunori Yokota
    DEEP DREAM Impact· Dec 31, 2014· Featherweight· 16-1-2 vs 20-5-3
    UD
  20. WIN
    vs Takeshi Inoue
    VTJ 6th· Oct 4, 2014· 15-1-2 vs 21-9
    UD
  21. WIN
    vs Kuniyoshi Hironaka
    Pancrase 257· Mar 30, 2014· Lightweight· 14-1-2 vs 22-8
    TKO
    R3 · 3:58
  22. WIN
    vs Yoshiaki Takahashi×1Title bout · Title win #1
    Pancrase 252· Sep 29, 2013· Lightweight· 13-1-2 vs 10-3-2
    MD
  23. DRAW
    vs Jorge Patino
    Pancrase 246· Mar 17, 2013· Lightweight· 13-1-1 vs 33-13-1
    DEC
  24. WIN
    vs Kenichiro Togashi
    Pancrase Progress Tour 14· Dec 1, 2012· Lightweight· 12-1-1 vs 12-8-5
    TKO
    R1 · 0:16
  25. WIN
    vs Tatsunori Tanaka
    Pancrase Progress Tour 10· Sep 1, 2012· Lightweight· 11-1-1 vs 5-4
    SUB
    R1 · 3:05
  26. WIN
    vs Koji Oishi
    Pancrase Progress Tour 4· Apr 1, 2012· Lightweight· 10-1-1 vs 21-8-9
    UD
  27. WIN
    vs Kazuki Tokudome
    Pancrase· Dec 3, 2011· 9-1-1 vs 9-2-1
    TKO
  28. WIN
    vs Tomoyoshi Iwamiya
    Pancrase· Aug 7, 2011· 8-1-1 vs 5-10-3
    DEC
  29. WIN
    vs Yukinari Tamura
    Pancrase· May 3, 2011· 7-1-1 vs 9-5-5
    DEC
  30. WIN
    vs Artur Umakhanov
    Pancrase· Nov 3, 2010· 6-1-1 vs 10-5
    SUB
  31. DRAW
    vs Tomoyoshi Iwamiya
    Pancrase· Jul 4, 2010· 6-1 vs 5-10-2
    DRAW
  32. LOSS
    vs Koji Oishi
    Pancrase· Apr 4, 2010· 6-0 vs 19-8-6
    DEC
  33. WIN
    vs Hiroki Aoki
    Pancrase 205· Feb 7, 2010· Lightweight· 5-0 vs 5-3
    TKO
    R1 · 1:00
  34. WIN
    vs Hiroki Aoki
    Pancrase 202· Oct 25, 2009· Lightweight· 4-0 vs 4-2
    DQ
    R1 · 0:50
  35. WIN
    vs Hirotaka Tomiyama
    Pancrase 200· Aug 8, 2009· Lightweight· 3-0 vs 2-5-3
    TKO
    R1 · 4:58
  36. WIN
    vs Koji Nakamura
    Pancrase 199· Jun 7, 2009· Lightweight· 2-0 vs 0-0
    TKO
    R2 · 1:03
  37. WIN
    vs Yoichi Kono
    TRIBELATE· Apr 25, 2009· 1-0 vs 0-1
    TKO
  38. WIN
    vs TBA
    TRIBELATE· Apr 26, 2008· 0-0
    TKO

Career history data via Tapology.

UFCalendar Power Index rating

Current
1598▼8
Peak
1814Oct 4, 2014
Rated fights
36
1500160017001800201020132016201920222025Apr 25, 2009 · 1535Jun 7, 2009 · 1578Aug 8, 2009 · 1610Oct 25, 2009 · 1641Feb 7, 2010 · 1681Apr 4, 2010 · 1642Jul 4, 2010 · 1632Nov 3, 2010 · 1657May 3, 2011 · 1673Aug 7, 2011 · 1681Dec 3, 2011 · 1710Apr 1, 2012 · 1726Sep 1, 2012 · 1740Dec 1, 2012 · 1760Sep 29, 2013 · 1775Mar 30, 2014 · 1800Oct 4, 2014 · 1814Dec 31, 2014 · 1789Apr 26, 2015 · 1794Aug 9, 2015 · 1801Oct 23, 2015 · 1785Jun 24, 2016 · 1767Sep 19, 2016 · 1771Dec 18, 2016 · 1779Apr 23, 2017 · 1785Aug 20, 2017 · 1778Dec 10, 2017 · 1783Apr 15, 2018 · 1790May 26, 2019 · 1789Oct 20, 2019 · 1792Jul 24, 2020 · 1797May 30, 2021 · 1802Nov 17, 2023 · 1664Jul 27, 2025 · 1621Dec 20, 2025 · 1606Jun 6, 2026 · 15981598

See the full Power Index →

Frequently asked questions

When does Isao Kobayashi fight next?

Isao Kobayashi has no confirmed upcoming fight.

What is Isao Kobayashi's record?

Isao Kobayashi's professional MMA record is 27-9-2.

Who is Isao Kobayashi fighting next?

Isao Kobayashi's next opponent has not been announced.

Who did Isao Kobayashi fight last?

Isao Kobayashi most recently fought Yusuke Yachi at Rizin FF - Landmark Vol. 14 on Saturday, June 6, 2026, LOSS (Unanimous Decision).

What weight class does Isao Kobayashi fight in?

Isao Kobayashi fights at Lightweight.

How many knockouts does Isao Kobayashi have?

Isao Kobayashi has 9 wins by KO/TKO and 2 wins by submission.

How tall is Isao Kobayashi?

Isao Kobayashi is 5'8" (173 cm) tall.

How much does Isao Kobayashi weigh?

Isao Kobayashi weighs 155 lbs (70 kg).

What is Isao Kobayashi's reach?

Isao Kobayashi has a reach of 68" (173 cm).

How old is Isao Kobayashi?

Isao Kobayashi is 37 years old (born Oct 28, 1988).

Where is Isao Kobayashi from?

Isao Kobayashi is from Japan.