is a Japanese kickboxer. He competes in ONE Championship's bantamweight and flyweight division, where he is the former ONE Kickboxing Bantamweight World Champion.
As of June 2022, he is ranked as the second-best featherweight kickboxer in the world by Combat Press. He's been ranked in the top ten since December 2021.
Japanese-born Akimoto began his martial arts journey at the age of eight. He took up full contact karate and became a top talent over his years of training. Both of his parents were instructors in the Shichishu-Kai, but he was never forced to participate. It was not until he was involved in a fight at school did he decide to take up martial arts.
As his skills grew, he turned to competition. He did not stick with karate, and also competed in Muay Thai and kickboxing bouts. To get the most of his talents, Akimoto moved from Japan to Singapore to train at Evolve MMA and pursue a world title in ONE Championship.
Akimoto got off to an incredible start to his professional career. He racked up 19 straight kickboxing victories that would lead him to be signed by ONE Championship.
Akimoto made his organizational debut with ONE Championship on January 25, 2019 at . It was his first kickboxing bout in nearly six years. Akimoto won the fight by unanimous decision.
The now 20âÂÂ0 striker returned to competition on March 31, 2019 at against Joseph Lasiri. Akimoto lost the bout by majority decision, suffering the first loss of his professional career.
Akimoto faced Kenny Tse at on July 12, 2019. He won the fight by unanimous decision, successfully rebounding from his loss to Lasiri.
Akimoto faced Zhang Chenglong at on October 17, 2020. He won the fight by split decision. Due to the close decision, the pair were immediately booked for a rematch at on February 26, 2021. Akimoto was more convincing in the rematch, as he beat Zhang by unanimous decision.
Akimoto faced former Wu Lin Feng kickboxing champion Qiu Jianliang at on December 3, 2021. He won the bout via unanimous decision.
Akimoto (then the #2 ONE Kickboxing Bantamweight contender) challenged the reigning ONE Bantamweight kickboxing champion Capitan Petchyindee Academy at on March 25, 2022. He won the fight by unanimous decision, after controlling the final four rounds of the bout. Capitan was twice warned for illegal clinching and was deducted a point for it in the fourth round. Akimoto was given the $50,000 Performance of the Night award as well, and was named the March 2022 "Fighter of the Month" by eFight.
Akimoto made his first ONE Bantamweight Kickboxing World title defense against #4 ranked contender Petchtanong Petchfergus at ONE 163 on November 18, 2022. He lost the fight by split decision (and also his second loss on his kickboxing career).
After a 1-year and 5-month hiatus, Akimoto faced Wei Rui on May 4, 2024, at ONE Fight Night 22. He lost the fight by unanimous decision.
Akimoto faced Ilias Ennahachi on September 27, 2024, at ONE Friday Fights 81. He lost the fight via unanimous decision.
Akimoto faced John Lineker on March 23, 2025, at ONE 172. He won the fight via split decision.
Amateur
Professional
Awards
Professional Kyokushin
|- style="background:#cfc;" | 2025-11-16 || Win ||align=left| Wei Rui || ONE 173 || Tokyo, Japan ||Decision (Unanimous)|| 3 ||3:00 |- style="background:#cfc;" | 2025-03-23|| Win||align=left| John Lineker || ONE 172 || Saitama, Japan || Decision (Split)|| 3 ||3:00 |- style="background:#fbb;" | 2024-09-27|| Loss ||align=left| Ilias Ennahachi || ONE Friday Fights 81 || Bangkok, Thailand || Decision (Unanimous)|| 3 ||3:00
|- style="background:#fbb;" | 2024-05-03|| Loss ||align=left| Wei Rui || ONE Fight Night 22 || Bangkok, Thailand || Decision (Unanimous)|| 3 ||3:00
|- style="background:#fbb;" | 2022-11-19 || Loss ||align=left| Petchtanong Petchfergus || ONE 163 || Kallang, Singapore || Decision (Split) || 5|| 3:00 |- ! style=background:white colspan=9 | |- style="background:#CCFFCC;" | 2022-03-26|| Win ||align=left| Capitan Petchyindee Academy || || Kallang, Singapore || Decision (Unanimous) || 5 || 3:00 |- ! style=background:white colspan=9 | |- style="background:#CCFFCC;" | 2021-12-03|| Win ||align=left| Qiu Jianliang || || Kallang, Singapore || Decision (Unanimous) || 3 || 3:00 |- style="background:#cfc;" | 2021-02-26|| Win||align=left| Zhang Chenglong || || Kallang, Singapore || Decision (Unanimous) || 3 || 3:00 |- style="background:#CCFFCC;" | 2020-10-17|| Win ||align=left| Zhang Chenglong || || Kallang, Singapore || Decision (Split) || 3 ||3:00 |- style="background:#CCFFCC;" | 2019-07-12|| Win ||align=left| Kenny Tse || || Kuala Lumpur, Malaysia || Decision (Unanimous) || 3 ||3:00 |- style="background:#fbb;" | 2019-03-31|| Loss ||align=left| Joseph Lasiri || || Tokyo, Japan || Decision (Majority) || 3 ||3:00 |- style="background:#CCFFCC;" | 2019-01-25|| Win ||align=left| Josh Tonna || || Pasay, Philippines || Decision (Unanimous) || 3 ||3:00 |- style="background:#CCFFCC;" | 2013-04-14|| Win ||align=left| Surachai Sisuriyanyothin || MAJKF DRAGON ROAD ONE AND ONLY TAKE 1 || Kanagawa Prefecture, Japan || Decision (Unanimous) || 5 ||3:00 |- style="background:#CCFFCC;" | 2012-12-02|| Win ||align=left| Shunta|| BigBang 11 || Tokyo, Japan || Decision (Unanimous) || 5 ||3:00 |- style="background:#CCFFCC;" | 2012-10-07|| Win ||align=left| Yosuke Morii || MAJKF BREAK-30 ï½ÂUNIFICATIONï½ || Tokyo, Japan || Decision (Unanimous) || 5 ||3:00 |- ! style=background:white colspan=9 | |- style="background:#CCFFCC;" | 2012-07-15|| Win ||align=left| Daiki Fujisawa|| MAJKF KICK GUTS 2012 || Tokyo, Japan || TKO (Doctor Stoppage/Left Elbow) || 1 || 1:28 |- ! style=background:white colspan=9 | |- style="background:#CCFFCC;" | 2012-05-06|| Win ||align=left| Kenryu|| MAJKF BREAK-25 ï½ÂCANNONBALLï½ || Tokyo, Japan || KO (Right Front Kick) || 1 || 2:52 |- style="background:#CCFFCC;" | 2012-02-25|| Win ||align=left| Fumiya Sasaki|| BigBang 8 || Tokyo, Japan || KO (Left High Kick) || 1 || 2:40 |- style="background:#CCFFCC;" | 2011-08-21|| Win ||align=left| Atsushi Masukura|| BigBang 6 || Tokyo, Japan || KO (High Knee)|| 3 || 0:18 |- style="background:#CCFFCC;" | 2011-07-24|| Win ||align=left| Pinsiam Sor.Amnuaysirichoke || MAJKF J-1 time ï½Âsignal of startï½Â|| Aichi Prefecture, Japan || KO (Left hook to the body)|| 2 || 0:54 |- style="background:#CCFFCC;" | 2011-05-15|| Win ||align=left| Shota|| BigBang 5 || Tokyo, Japan || KO (Left Knee)|| 1 || 1:46 |- style="background:#CCFFCC;" | 2011-02-05|| Win ||align=left| TURBO|| BigBang 4 || Tokyo, Japan || KO (Flying Knee)|| 2 || 1:05 |- style="background:#CCFFCC;" | 2010-09-23|| Win ||align=left| Seidou Yamaguchi|| BigBang 3 || Tokyo, Japan || Decision (Unanimous) || 3 || 3:00 |- style="background:#CCFFCC;" | 2010-05-04|| Win ||align=left| Kyoji Bancho|| MAJKF Explosion-1 || Japan || Decision (Unanimous) || 3 || 3:00 |- style="background:#CCFFCC;" | 2010-04-04|| Win ||align=left| Toshiya Sudou|| MAJKF Boukohyouga Sono Ichi || Chiba, Japan || TKO (Corner Stoppage) || 2 || 1:17 |- style="background:#CCFFCC;" | 2010-03-14|| Win ||align=left| Tadashi Matsumoto|| NAGOYA KICK ï½ÂCENTRAL RHYTHMï½ || Chiba, Japan || Decision (Unanimous) || 3 || 3:00 |- style="background:#CCFFCC;" | 2010-01-31|| Win ||align=left| Shoya Suzuki|| NAGOYA KICK ï½ÂKICK Hoppingï¼Âï½ || Nagoya, Japan || Decision (Unanimous) || 3 || 3:00 |- style="background:#CCFFCC;" | 2009-03-08|| Win ||align=left| Masayuki Ishibashi|| NAGOYA KICK ãÂÂBoogie Fight 07 Black Sundayã || Nagoya, Japan || Decision (Majority) || 3 || 3:00 |- style="background:#CCFFCC;" | 2008-12-23|| Win ||align=left| Norifumi Yamamura|| NAGOYA KICK ï½Â2008 FINAL Nagoya vs Muay Thai Drum Roll Please!!ï½ || Nagoya, Japan || Decision (Unanimous) || 3 || 3:00 |- style="background:#CCFFCC;" | 2008-10-19|| Win ||align=left| Shin Takashiro|| MAJKF BREAK THROUGH-7 ï½ÂCHAMPION CARNIVALï½ || Tokyo, Japan || KO (Knee)|| 3 || 0:43 |- style="background:#CCFFCC;" | 2008-08-29|| Win ||align=left| Mutsuki Ebata || K-1 Koshien -KING OF UNDER 18- || Tokyo, Japan || Decision (Unanimous) || 3 || 3:00 |- style="background:#CCFFCC;" | 2008-08|| Win ||align=left| Yokdam|| || Thailand || KO || 1 || |- | colspan=9 | Legend:
|- style="background:#FFBBBB;" | 2010-11-20|| Loss || align=left| Shoei Hareyama || K-1 Koshien -KING OF UNDER 18- FINAL, Final|| Tokyo, Japan || KO (Low Kick)|| 3 ||0:23 |- ! style=background:white colspan=9 | |- style="background:#CCFFCC;" | 2010-11-20|| Win ||align=left| Keigo Ishida|| K-1 Koshien -KING OF UNDER 18- FINAL, Semi Final || Tokyo, Japan || KO (Left middle kick) || 4 || |- style="background:#CCFFCC;" | 2010-11-20|| Win ||align=left| Sho Ogawa|| K-1 Koshien -KING OF UNDER 18- FINAL, Quarter Final || Tokyo, Japan || Ext.R Decision (Unanimous) || 4 || |- style="background:#CCFFCC;" | 2010-11-20|| Win ||align=left| Koji Kashimura|| K-1 Koshien -KING OF UNDER 18- FINAL, Second Round || Tokyo, Japan || KO || 1 || |- style="background:#CCFFCC;" | 2010-11-20|| Win ||align=left| Yuki Kurihara || K-1 Koshien -KING OF UNDER 18- FINAL, First Round || Tokyo, Japan || TKO || 1 ||
|- bgcolor="#cfc" | 2010-09-04|| Win||align=left| Tensho Ato || K-1 Koshien 2010 West Japan Selection|| Osaka, Japan || KO (Punches)|| 3 || 0:30
|- style="background:#FFBBBB;" | 2009-10-26|| Loss ||align=left| Shota Shimada || K-1 World MAX 2009 World Championship Tournament Final K-1 Koshien Tournament Quarter Final || Tokyo, Japan || Decision || 3 || 2:00 |- style="background:#CCFFCC;" | 2009-08-10|| Win ||align=left| Hiroto Yamaguchi || K-1 Koshien 2009 KING OF UNDER 18 -FINAL16- || Tokyo, Japan || Decision || 3 || 2:00 |- style="background:#CCFFCC;" | 2009-07-04|| Win ||align=left| Sho Ogawa || K-1 Koshien 2009 Chubu Region Selection Tournament, Final || Japan || Ext.R Decision || 2 ||2:00 |- style="background:#CCFFCC;" | 2009-07-04|| Win ||align=left| Hiroto Iwasaki || K-1 Koshien 2009 Chubu Region Selection Tournament, Semi Finals || Japan || Decision || 1 ||2:00 |- style="background:#CCFFCC;" | 2009-07-04|| Win ||align=left| Hideaki Ishida || K-1 Koshien 2009 Chubu Region Selection Tournament, Quarter Finals || Japan || Decision || 1 ||2:00 |- style="background:#CCFFCC;" | 2009-07-04|| Win ||align=left| Shunsuke Okuno || K-1 Koshien 2009 Chubu Region Selection Tournament, First Round || Japan || KO (Knee to the Body)|| 1 ||
|- style="background:#CCFFCC;" | 2008-07-27|| Win ||align=left| Ryota Terada || 2008 MAJKF Amateur All Japan Tournament, Final || Fuefuki, Japan || || || |- ! style=background:white colspan=9 |
|- style="background:#CCFFCC;" | 2008-04-29|| Win ||align=left| Yuki Miwa || MAJKF "BREAK THROUGH-3" || Tokyo, Japan || Decision (Unanimous)||2 ||2:00
|- bgcolor="#CCFFCC" | 2007-10-28 || Win||align=left| Yuji Morihira || 6th BRIDGE one match challenge || Tokyo, Japan || Decision || 2 || 3:00 |- | colspan=9 | Legend: