
Tsuyoshi Kosaka| Result | Opponent | Weight | # | Method | Event | Date | Location |
|---|---|---|---|---|---|---|---|
| Win | Mikio Ueda | 265 lb | KO (punches), R1 (2:05) | Rizin 35 | 2022-04-17 | Chōfu, Japan |
|
| Loss | Mirko Filipovic | 265 lb | TKO (punches), R1 (1:02) | Rizin Fighting Federation 9 | 2017-12-31 | Saitama, Japan |
|
| Loss | Kaido Hoovelson | open |
| Decision (unanimous) | Rizin World GP 2016: 2nd Round | 2016-12-29 | Saitama, Japan |
| Win | James Thompson | open | TKO (strikes), R2 (1:58) | Rizin FF: Saraba no Utage | 2015-12-29 | Saitama, Japan |
2022-04-17 - Rizin 35 -
Chōfu, Japan
Chōfu, Japan
| Result | Opponent | Weight | # | Method | Event | Date | Location |
|---|---|---|---|---|---|---|---|
| Win | Mikio Ueda | 265 lb | KO (punches), R1 (2:05) | Rizin 35 | 2022-04-17 | Chōfu, Japan |
|
| Loss | Mirko Filipovic | 265 lb | TKO (punches), R1 (1:02) | Rizin Fighting Federation 9 | 2017-12-31 | Saitama, Japan |
|
| Loss | Kaido Hoovelson | open |
| Decision (unanimous) | Rizin World GP 2016: 2nd Round | 2016-12-29 | Saitama, Japan |
| Win | James Thompson | open | TKO (strikes), R2 (1:58) | Rizin FF: Saraba no Utage | 2015-12-29 | Saitama, Japan |
Heavyweight (265 lb / 120 kg)
~
~
Winner: Tsuyoshi Kosaka via KO (punches) in round 1 (2:05)

| Result | Opponent | Weight | # | Method | Event | Date | Location |
|---|---|---|---|---|---|---|---|
| Loss | Alexander Soldatkin | 265 lb |
| TKO (punches), R2 (3:05) | Super Rizin 4 | 2025-07-27 | Saitama, Japan |
| Win | Shoma Shibisai | 265 lb |
| TKO (leg kicks), R1 (1:03) | Rizin: Otoko Matsuri | 2025-05-04 | Tokyo, Japan |
| Win | Tae In Kim | 265 lb | KO (knee), R2 (2:31) | Rizin 49: Decade | 2024-12-31 | Saitama, Japan |
|
| Loss | Przemyslaw Kowalczyk | 265 lb | Submission (armbar), R1 (2:08) | Rizin 47 | 2024-07-28 | Saitama, Japan |
|
| Win | Tsuyoshi Sudario | 265 lb | TKO (knee and punches), R2 (0:55) | Rizin 45 | 2023-12-31 | Saitama, Japan |
|
| Win | Hideki Sekine | 265 lb | TKO (punches and head kick), R1 (0:22) | Rizin 43 - Sapporo | 2023-06-24 | Sapporo, Japan |
|
| Loss | Tsuyoshi Kosaka | 265 lb | KO (punches), R1 (2:05) | Rizin 35 | 2022-04-17 | Chōfu, Japan |
Heavyweight (265 lb / 120 kg)
~
~
Winner: Tsuyoshi Kosaka via KO (punches) in round 1 (2:05)
2017-12-31 - Rizin Fighting Federation 9 -
Saitama, Japan
Saitama, Japan
| Result | Opponent | Weight | # | Method | Event | Date | Location |
|---|---|---|---|---|---|---|---|
| Win | Mikio Ueda | 265 lb | KO (punches), R1 (2:05) | Rizin 35 | 2022-04-17 | Chōfu, Japan |
|
| Loss | Mirko Filipovic | 265 lb | TKO (punches), R1 (1:02) | Rizin Fighting Federation 9 | 2017-12-31 | Saitama, Japan |
|
| Loss | Kaido Hoovelson | open |
| Decision (unanimous) | Rizin World GP 2016: 2nd Round | 2016-12-29 | Saitama, Japan |
| Win | James Thompson | open | TKO (strikes), R2 (1:58) | Rizin FF: Saraba no Utage | 2015-12-29 | Saitama, Japan |
Heavyweight (265 lb / 120 kg)
~
~
Winner: Mirko Filipovic via TKO (punches) in round 1 (1:02)
| User #1 | Mirko Filipovic via KO in round 1 | |||
| "Hospital? Cemetery? Asylum?" | ||||
| User #2 | Mirko Filipovic via TKO in round 1 | |||
| User #3 | Mirko Filipovic via TKO in round 1 | |||

| Result | Opponent | Weight | # | Method | Event | Date | Location |
|---|---|---|---|---|---|---|---|
| Win | Roy Nelson | 265 lb | Decision (unanimous) | Bellator 216: MVP vs. Daley | 2019-02-16 | Uncasville, Connecticut, USA |
|
| Win | Roque Martinez | 265 lb | TKO (doctor stoppage), R1 (4:58) | Rizin 13 - Saitama | 2018-09-30 | Saitama, Japan |
|
| Win | Tsuyoshi Kosaka | 265 lb | TKO (punches), R1 (1:02) | Rizin Fighting Federation 9 | 2017-12-31 | Saitama, Japan |
|
| Win | Amir Aliakbari | open | ![]() |
KO (punches), R1 (2:03) | Rizin World GP: Final Round | 2016-12-31 | Saitama, Japan |
| Win | Kaido Hoovelson | open |
| TKO (knee to the body), R1 (0:49) | Rizin World GP: Final Round | 2016-12-31 | Saitama, Japan |
| Win | Muhammed Lawal | open |
| TKO (punches), R2 (6:41) | Rizin World GP 2016: 2nd Round | 2016-12-29 | Saitama, Japan |
| Win | Hyun Man Myung | open | ![]() |
Submission (arm triangle choke), R1 (2:20) | Rizin World GP 2016: 1st Round | 2016-09-25 | Saitama, Japan |
| Win | Gabriel Gonzaga | 265 lb | ![]() |
TKO (punches), R3 (3:30) | UFC Fight Night 64 | 2015-04-11 | Krakow, Poland |
| Loss | Roy Nelson | 265 lb | TKO (punches), R3 (1:30) | UFC 137: Penn vs. Diaz | 2011-10-29 | Las Vegas, Nevada, USA |
|
| Loss | Brendan Schaub | 265 lb | TKO (punch), R3 (3:44) | UFC 128: Shogun vs. Jones | 2011-03-19 | Newark, New Jersey, USA |
|
| Loss | Frank Mir | 265 lb | KO (knee), R3 (4:02) | UFC 119: Mir vs. Cro Cop | 2010-09-25 | Indianapolis, Indiana, USA |
|
| Win | Pat Barry | 265 lb | Submission (rear naked choke), R3 (4:30) | UFC 115: Liddell vs. Franklin | 2010-06-12 | Vancouver, Canada |
|
| Win | Anthony Perosh | 265 lb | TKO (doctor stoppage), R2 (5:00) | UFC 110: Nogueira vs. Velasquez | 2010-02-20 | Sydney, Australia |
|
| Loss | Junior dos Santos | 265 lb | Submission (punches), R3 (2:00) | UFC 103: Franklin vs. Belfort | 2009-09-19 | Dallas, Texas, USA |
|
| Win | Mostapha Al-turk | 265 lb | TKO (strikes), R1 (3:06) | UFC 99: The Comeback | 2009-06-13 | Cologne, Germany |
|
| Win | Hong-man Choi | 205+ lb | TKO (leg kicks), R1 (6:32) | Fields Premium 2008 Dynamite!! | 2008-12-31 | Saitama, Japan |
|
| No Contest | Alistair Overeem | 265 lb | NC | DREAM.6 | 2008-09-23 | Saitama, Japan |
Heavyweight (265 lb / 120 kg)
~
~
Winner: Mirko Filipovic via TKO (punches) in round 1 (1:02)
| User #1 | Mirko Filipovic via KO in round 1 | |||
| "Hospital? Cemetery? Asylum?" | ||||
| User #2 | Mirko Filipovic via TKO in round 1 | |||
| User #3 | Mirko Filipovic via TKO in round 1 | |||
2016-12-29 - Rizin World GP 2016: 2nd Round -
Saitama, Japan
Saitama, Japan
| Result | Opponent | Weight | # | Method | Event | Date | Location |
|---|---|---|---|---|---|---|---|
| Win | Mikio Ueda | 265 lb | KO (punches), R1 (2:05) | Rizin 35 | 2022-04-17 | Chōfu, Japan |
|
| Loss | Mirko Filipovic | 265 lb | TKO (punches), R1 (1:02) | Rizin Fighting Federation 9 | 2017-12-31 | Saitama, Japan |
|
| Loss | Kaido Hoovelson | open |
| Decision (unanimous) | Rizin World GP 2016: 2nd Round | 2016-12-29 | Saitama, Japan |
| Win | James Thompson | open | TKO (strikes), R2 (1:58) | Rizin FF: Saraba no Utage | 2015-12-29 | Saitama, Japan |
Rizin Openweight Grand Prix Quarter-final Match (no weight limit) 
~
Winner: Kaido Hoovelson via Decision (unanimous)
| User #1 | Tsuyoshi Kosaka via Decision | |||
| User #2 | Kaido Hoovelson via Decision | |||
| User #3 | Kaido Hoovelson via Decision |

| Result | Opponent | Weight | # | Method | Event | Date | Location |
|---|---|---|---|---|---|---|---|
| Loss | Mirko Filipovic | open |
| TKO (knee to the body), R1 (0:49) | Rizin World GP: Final Round | 2016-12-31 | Saitama, Japan |
| Win | Tsuyoshi Kosaka | open |
| Decision (unanimous) | Rizin World GP 2016: 2nd Round | 2016-12-29 | Saitama, Japan |
| Win | Kazuyuki Fujita | open | ![]() |
Decision (unanimous) | Rizin World GP 2016: 1st Round | 2016-09-25 | Saitama, Japan |
| Win | Peter Aerts | open | Decision (unanimous) | Rizin FF: Iza no Mai | 2015-12-31 | Saitama, Japan |
Rizin Openweight Grand Prix Quarter-final Match (no weight limit) 
~
Winner: Kaido Hoovelson via Decision (unanimous)
| User #1 | Tsuyoshi Kosaka via Decision |
| User #2 | Kaido Hoovelson via Decision |
| User #3 | Kaido Hoovelson via Decision |
2015-12-29 - Rizin FF: Saraba no Utage -
Saitama, Japan
Saitama, Japan
| Result | Opponent | Weight | # | Method | Event | Date | Location |
|---|---|---|---|---|---|---|---|
| Win | Mikio Ueda | 265 lb | KO (punches), R1 (2:05) | Rizin 35 | 2022-04-17 | Chōfu, Japan |
|
| Loss | Mirko Filipovic | 265 lb | TKO (punches), R1 (1:02) | Rizin Fighting Federation 9 | 2017-12-31 | Saitama, Japan |
|
| Loss | Kaido Hoovelson | open |
| Decision (unanimous) | Rizin World GP 2016: 2nd Round | 2016-12-29 | Saitama, Japan |
| Win | James Thompson | open | TKO (strikes), R2 (1:58) | Rizin FF: Saraba no Utage | 2015-12-29 | Saitama, Japan |
Openweight (no weight limit)
~
~
Winner: Tsuyoshi Kosaka via TKO (strikes) in round 2 (1:58)
| User #1 | Tsuyoshi Kosaka via Decision | |||
| User #2 | James Thompson via TKO in round 1 | |||
| User #3 | James Thompson via TKO in round 1 |

| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Loss | Philip De Fries | 265 lb | Submission (guillotine choke), R1 (1:33) | Bellator 191 | 2017-12-15 | Newcastle, England |
| Loss | Tsuyoshi Kosaka | open | TKO (strikes), R2 (1:58) | Rizin FF: Saraba no Utage | 2015-12-29 | Saitama, Japan |
| Loss | Bobby Lashley | 265 lb | TKO (punches), R1 (0:54) | Bellator 145: Vengeance | 2015-11-06 | St. Louis, Missouri, USA |
| Win | Eric Prindle | 265 lb | TKO (punches), R1 (1:55) | Bellator 121 | 2014-06-06 | Thackerville, Oklahoma, USA |
| Loss | Alistair Overeem | 205+ lb | Submission (guillotine choke), R1 (0:33) | DREAM.12 | 2009-10-25 | Osaka, Japan |
| Loss | Jim York | 205+ lb | KO (punch), R1 (4:33) | WVR Sengoku 7 | 2009-03-20 | Tokyo, Japan |
Openweight (no weight limit)
~
~
Winner: Tsuyoshi Kosaka via TKO (strikes) in round 2 (1:58)
| User #1 | Tsuyoshi Kosaka via Decision |
| User #2 | James Thompson via TKO in round 1 |
| User #3 | James Thompson via TKO in round 1 |
Mon 11:24
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