Biography
Kenta Iwamoto is a Japanese Brazilian Jiu-Jitsu and Judo black belt under Yusuke Honma, and one of Asia’s most successful no-gi submission grapplers. He has been training for many years and is widely respected for his relentless pace, sharp stand-up skills, and highly technical defensive systems.
Born in 1997 in Chiba Prefecture, Japan, Iwamoto first earned a black belt in Judo before fully transitioning to Brazilian Jiu-Jitsu. During his time training in the United States, he spent significant periods at B-Team Jiu-Jitsu, where he developed further developed his skills. His training rounds in Austin helped him gain a large international following, particularly for his precise technique and calm, analytical style.
Iwamoto is one of the very few athletes to win the Asia & Oceania ADCC Trials multiple times, first conquering the 66kg division in 2019 to qualify for his ADCC debut, and then winning the Trials again in 2022 and 2023. These victories solidified him as one of Asia’s most reliable ADCC-level competitors.
Technically, Iwamoto is known for combining crisp judo foot sweeps with strong wrestling entries. On the ground, he is highly regarded for his elite turtle defense, dynamic scrimmaging ability, and smart transitional grappling. His most common finishes include the armbar and the rear naked strangle.
Personal
* Legend status is reserved for retired athletes with outstanding achievements and a lasting impact on the sport.
Rankings
Submissions Breakdown
| Submission | Wins | Losses |
|---|---|---|
| Armbar | 7 | 1 |
| Straight ankle lock | 4 | 1 |
| Rear naked | 3 | 1 |
| Inside heel hook | 2 | 0 |
| Outside heel hook | 1 | 0 |
| Guillotine | 1 | 0 |
| Kata gatame | 1 | 0 |
| Kneebar | 1 | 0 |
| Walkover | 1 | 0 |
| Darce | 1 | 0 |
| Opponent | Result | Date | Event | Method | Weight | Round | Points |
|---|---|---|---|---|---|---|---|
| Izaak Michell | Loss | 12/7/2025 | ADCC Trials - Asia & Oceania | Decision | 77KG | Finals | — |
| Axyl Howie | Win | 12/7/2025 | ADCC Trials - Asia & Oceania | Darce | 77KG | Semi-Finals | 200 |
| Jordan Rozman | Win | 12/7/2025 | ADCC Trials - Asia & Oceania | Walkover | 77KG | Quarter-Finals | 35 |
| Hugh Boyd | Win | 12/7/2025 | ADCC Trials - Asia & Oceania | Straight ankle lock | 77KG | 16 | 25 |
| Gabriel Roldan | Win | 12/7/2025 | ADCC Trials - Asia & Oceania | Armbar | 77KG | 32 | 20 |
| Nick Rodriguez | Draw | 8/31/2025 | CJI 2 | N/A | Quintet | Semi-Finals | 219 |
| Kyle Boehm | Draw | 8/31/2025 | CJI 2 | N/A | Quintet | Quarter-Finals | 94 |
| Alexandre de Jesus | Win | 2025 | AIGA Champions League Final | Inside heel hook | N/A | Quarter-Finals | 80 |
| Oliver Taza | Win | 2025 | AIGA Champions League Final | Points: 2-0 | Quintet | Semi-Finals | 200 |
| Siraj Soufi | Win | 2025 | Giles Trials | Straight ankle lock | Absolute | Quarter-Finals | 1 |
| Duke Didier | Win | 2025 | Giles Trials | Rear naked | Absolute | 16 | 1 |
| Tomas Smirnovas | Win | 2025 | Ocean BJJ Championship Finale | Armbar | 80KG | Quarter-Finals | 35 |
| Pawel Jaworski | Loss | 2025 | Ocean BJJ Championship Finale | Points: 1-0 | Lightweight | Semi-Finals | — |
| Mateusz Flaga | Win | 2025 | Ocean BJJ Championship Finale | Points: 2-0 | Lightweight | 16 | 25 |
| Charles Negromonte | Loss | 2025 | Polaris 33 | Decision | Absolute | — | — |
| Samuel Nagai | Loss | 2025 | Polaris 33 | Decision | Absolute | — | — |
| Gabriel Sousa | Win | 2025 | Polaris 33 | Kneebar | Absolute | — | 375 |
| Gabriel Sousa | Win | 2025 | Polaris 33 | Decision | Absolute | — | 375 |
| Lucas Barbosa | Loss | 8/17/2024 | CJI 1 | Decision | 80KG | 16 | — |
| Gazimagomed Gaziev | Win | 2024 | Astana Qualifier (AIGA) | Inside heel hook | 76KG | Finals | 10 |
| Brendo Babilonia | Win | 2024 | Astana Qualifier (AIGA) | Kata gatame | 76KG | Semi-Finals | 6 |
| Manuel Pirazzini | Win | 2024 | Astana Qualifier (AIGA) | Armbar | 76KG | Quarter-Finals | 1 |
| Andre Porfirio | Loss | 2024 | Emperor of the Mats | Straight ankle lock | Absolute | Semi-Finals | — |
| Arthur Silva | Win | 2024 | Emperor of the Mats | Outside heel hook | Absolute | Quarter-Finals | 1 |
| Luuk Nieuwam | Win | 2024 | Emperor of the Mats | Armbar | Absolute | 16 | 1 |
| Bagir Gasratov | Win | 2024 | Emperor of the Mats | Straight ankle lock | 77KG | Finals | 10 |
| Ali Ashkanani | Win | 2024 | Emperor of the Mats | Guillotine | 77KG | Semi-Finals | 6 |
| Sayed Ahmad | Win | 2024 | Emperor of the Mats | Armbar | 77KG | Quarter-Finals | 1 |
| Mo Mohammad | Win | 2024 | Emperor of the Mats | Armbar | 77KG | 16 | 1 |
| Mica Galvao | Loss | 2024 | WNO 22 | Rear naked | 77KG | — | — |
| Rhys Allan | Win | 2023 | ADCC Trials - Asia & Oceania | Points: 3-0 | 77KG | Finals | 298 |
| Seiikhan Bolatbek | Win | 2023 | ADCC Trials - Asia & Oceania | Points: 5-0 | 77KG | Semi-Finals | 170 |
| Omar Mannarov | Win | 2023 | ADCC Trials - Asia & Oceania | Points: 5-2 | 77KG | Quarter-Finals | 30 |
| Hayara Murotani | Win | 2023 | ADCC Trials - Asia & Oceania | Straight ankle lock | 77KG | 16 | 21 |
| Jordon Piggott | Win | 2023 | ADCC Trials - Asia & Oceania | Rear naked | 77KG | 32 | 17 |
| William Tackett | Loss | 2023 | Unrivaled 2 | Points: 8-6 | 84KG | — | — |
| Keith Krikorian | Win | 2023 | SOGI | EBI Overtime | N/A | — | 1 |
| Dante Leon | Loss | 2023 | AIGA Champions League | Armbar | 76KG | — | — |
| Ryan Aitken | Loss | 2022 | SOS 8 | EBI Overtime | 83KG | Finals | — |
| Siraj Soufi | Win | 2022 | ADCC Trials - Asia & Oceania | Points: 2-0 | 77KG | Finals | 298 |
| Jozef Chen | Win | 2022 | ADCC Trials - Asia & Oceania | Points: 2-0 | 77KG | Semi-Finals | 170 |
| Ethan Thomas | Win | 2022 | ADCC Trials - Asia & Oceania | Points: 3-0 | 77KG | Quarter-Finals | 30 |
| Allen Francis | Win | 2022 | ADCC Trials - Asia & Oceania | Rear naked | 77KG | 16 | 21 |
| Mateja Milosevic | Win | 2022 | ADCC Trials - Asia & Oceania | Armbar | 77KG | 32 | 17 |
| JT Torres | Loss | 2022 | ADCC | Decision | 77KG | 16 | — |
| Paulo Miyao | Loss | 2019 | ADCC | Points: 5-0 | 66KG | 16 | — |