Hiroki Kasahara

is a Japanese kickboxer, currently competing in the lightweight division of Shootboxing. He is a three-weight Shootboxing champion, having held titles at featherweight (-57.5 kg), super featherweight (-60 kg) and lightweight (-62.5 kg).

As of October 2022, Beyond Kick ranks him as the tenth best featherweight kickboxer in the world.

Kickboxing career Featherweight Kasahara made his professional debut against Genki Takeno at SHOOT BOXING2015～SB30th Anniversary～ act.3 on June 21, 2015. He won the fight by unanimous decision. Kasahara would amass a 9–0 record during the next year, before suffering a stoppage loss at the hands of Shogo Kuriaki at REBELS.46 on October 23, 2016.

Kasahara faced Kenichi TencloberGym at SHOOT BOXING 2017 act.1 on February 11, 2017. He won the fight by unanimous decision. He would add two more decision victories to his record that year, as he was able to beat Yuuichi at SHOOT BOXING 2017 act.2 on April 8, and Genki at SHOOT BOXING 2017 act.3 on June 16. Kasahara avenged his first professional loss to Shogo Kuriaki at SHOOT BOXING 2017 act.4 on September 16, 2017, as he was able to knock Kuriaki out with a left hook to the body at the 2:15 minute mark of the third round. His winning streak was snapped by Kazuki Fukada at SHOOT BOXING BATTLE SUMMIT-GROUND ZERO TOKYO 2017 on November 22, 2017, who beat him by split decision, after an extra fourth round was fought.

Kasahara faced Yuta Hamamoto at Shoot Boxing 2018 act.1 on February 10, 2018. He won the fight by unanimous decision. Kasahara next faced Naoya at Shoot Boxing 2018 act.3 on June 10, 2018. He knocked Naoya out with a head kick at the 2:26 minute mark of the opening frame.

His 15–2 record earned Kasahara the chance to challenge the reigning Shootboxing Japan featherweight (-57.5 kg) champion Genki at Shoot Boxing 2018 act.4 on September 15, 2018. He captured his first professional title by unanimous decision.

Kasahara faced Kohei "MOMOTARO" Kodera in a non-title bout at SHOOT BOXING S-Cup 65 kg World Tournament 2018 on November 18, 2018. Kodera handed Kasahara his third professional loss, as he won the fight by unanimous decision. Kasahara faced Yukinori Ogasawara in another non-title bout at Shoot Boxing 2019 act.2 on April 27, 2019. He won the fight by unanimous decision.

Super featherweight Following his rebounded victory over Ogasawara, Kasahara had his first fight at the super featherweight (-60 kg) limit, as he was booked to face the former SHOOT BOXING Japan Super bantamweight champion Taiki Naito at Shoot Boxing 2019 act.3 on June 23, 2019. He won the fight by majority decision, after two additional rounds were contested.

Kasahara challenged the reigning Shootboxing Japan super featherweight (-60 kg) champion Kazuki Fukada at Shoot Boxing 2019 act.4 on September 29, 2019. He won the fight by a second-round technical knockout, after he had knocked Fukuda down three times by the 1:24 minute mark of the round.

Kasahara's three-fight winning streak was stopped by Yota Shigemori, who beat him by a fourth-round technical knockout at Shoot Boxing: Ground Zero 2019 on December 3, 2019. Kasahara was able to rebounded from the fourth loss of his professional career with a third-round technical knockout of Taisuke Maeguchi at Shoot Boxing 2020 act.1 on February 15, 2020.

Lightweight Following a nine-month break in competition, forced on him by the COVID-19 pandemic, Kasahara moved up to lightweight (-62.5 kg). He faced Hiroyuki Oshiro in his divisional debut at Shoot Boxing 2020 act.2 on November 28, 2020. He won the fight by a narrowly contested unanimous decision.

Kasahara faced the former REBELS lightweight and super lightweight champion Suarek Rukkukamui at Shoot Boxing 2021 act.1 on February 7, 2021. He won the fight by a second-round technical knockout, forcing Suarek's corner to throw in the towel at the 2:18 minute mark.

Kasahara faced Kyohei Furumura at Shoot Boxing 2021 act.3 on June 20, 2021. He won the fight by unanimous decision. Kasahara next faced Paranrak at Shoot Boxing 2021 act.4 on September 4, 2021. He stopped the Thai with a left hook to the body in the final minute of the opening round. Kasahara faced Yota Shigemori at Shoot Boxing 2021 Champion Carnival on December 26, 2021, in his fourth and final bout of the year. He won the fight by unanimous decision.

Kasahara challenged the Shootboxing Japan Lightweight (-62.5 kg) champion Renta Nishioka at Shoot Boxing 2022 act.2 on April 10, 2022. He won the fight by a second-round stoppage, flooring Nishioka with a right hook.

Kasahara faced the KNOCK OUT Black Lightweight champion Bazooka Koki at Shoot Boxing 2022 act.3 on June 26, 2022. He won the fight by a third-round technical knockout. The ringside physician stopped the fight 41 seconds into the round, due to a cut above Koki's left eye.

Kasahara made his Rizin FF debut against Yusaku Ishizuki at Rizin 37 - Saitama on July 31, 2021. He won the fight by unanimous decision.

Kasahara faced Lompetch Y'zdgym at Shoot Boxing 2022 act.4 on July 19, 2022. He won the fight by unanimous decision.

Kasahara faced the three-time WBC Muay Thai World title challenger Chadd Collins at RISE WORLD SERIES / SHOOTBOXING-KINGS on December 25, 2022. He lost the fight by unanimous decision, with scores of 30–29, 30–28 and 30–27.

Super lightweight Kasahara was expected to face Anurak Tded99 in a super lightweight (-65 kg) bout at SHOOT BOXING 2023 act.1 on February 12, 2023. Anurak withdrew from the bout on February 3, after suffering a cut, and was replaced by the 2021 Sports Authority of Thailand Fighter of the Year Lamnamoonlek Tded99. Kasahara won the fight by unanimous decision, after three extension rounds were contested.

Kasahara faced the former Lumpinee Stadium lightweight and Rajadamnern Stadium welterweight champion Rambo Mor Rattanabandit in an open-finger glove bout at SHOOT BOXING 2023 act.2 on April 30, 2023. He won the fight by unanimous decision, with two scorecards of 30–28 and one scorecard of 30–29.

Kasahara faced Nathan Dryden in an open-finger glove bout at SHOOT BOXING 2023 act.4 on September 23, 2023. He won the fight by a second-round front choke.

Kasahara faced Superball Tded99 at SHOOT BOXING 2023 Series Final on November 14, 2023. He won the fight by a first-round knockout.

Kasahara faced Weerapon Sor.Dechapan at ONE Friday Fights 53 on February 23, 2024. He lost the fight by unanimous decision.

Kasahara faced Yuya Hasegawa in an open-finger glove bout at SHOOT BOXING 2024 act.5 on October 13, 2024. He won the fight by a first-round technical knockout, after thrice knocking down Hasegawa by the 55 second mark of the bout.

Kasahara faced Jack Rachanon in an open-finger glove bout, with legal elbow strikes, at SHOOTBOXING GROUND ZERO TOKYO 2024 on December 26, 2024. He lost the fight by unanimous decision, after an extra fourth round was contested.

Kasahara faced Komkeaw Sit Por.Jorwo at SHOOT BOXING 2025 act.1 on February 8, 2025. He won the fight by a first-round knockout. After rebounding from his previous loss, Kasahara faced Jack Rachanon in a rematch at SHOOT BOXING 2025 act.2 on April 12, 2025. He won the fight by unanimous decision, after an extra fourth round was contested.

Kasahara faced Lomphet BeastGym in the opening round of the 2025 RISE Last Featherweight Standing tournament, held at RISE World Series 2025 Yokohama on June 21, 2025. He won the fight by unanimous decision, with three scorecards of 30—26 in his favor.

Kasahara challenged the SHOOT BOXING Japan Super Lightweight (65kg) champion Imoto Volcano at SHOOT BOXING 2025 act. on August 9, 2025. He lost the fight by a third-round technical knockout.

Championships and accomplishments Professional Shootboxing 2018 Shootboxing Japan Featherweight (-57.5 kg) Championship 2019 Shootboxing Japan Super Featherweight (-60 kg) Championship 2022 Shootboxing Japan Lightweight (-62.5 kg) Championship 2026 SHOOT BOXING Japan Super Lightweight (65kg) Championship

Amateur Shootboxing 2011 All Japan Shoot Boxing Kids Upper Grade Champion 2012 All Japan Shoot Boxing Kids Upper Grade Champion 2013 All Japan Shoot Boxing Junior -55 kg Champion 2014 All Japan Shoot Boxing Junior -60 kg Champion

Fight record

Amateur record 2014-12-21 Win Ryoga Imoto All Japan Amateur Shoot Boxing Japan TKO 1 2014-06-29 Loss Koudai Hirayama SHOOT BOXING Amateur Osaka, Japan Decision 2 2:00 2014-04-20 Loss Renta Nishioka Amateur SHOOT BOXING Tokyo, Japan Decision (Unanimous) 2 2:00 2014-02-09 Loss Ryoichi Hashimoto SHOOT BOXING CENTRAL 9 ~Young Caesar Cup~ Nagoya, Japan Decision (Unanimous) 2 2:00 2013-11-16 Win Gaku Sakamoto Shootboxing GROUND ZERO TOKYO 2013, All Japan Amateur Shootboxing Final Osaka, Japan Decision (Unanimous) 2013-10-13 Win Masahiro Osawa SHOOT BOXING Amateur Tokyo, Japan Decision 2013-02-10 Win Kenta Hattori SHOOT BOXING Amateur Tokyo, Japan Decision (Unanimous) 2 1:00 2012-06-24 Loss Shohei Setoguchi SHOOT BOXING Amateur Tokyo, Japan Ext.R Decision (Unanimous) 3 1:00 2012-02-22 Win Gaku Sakamoto SHOOT BOXING Amateur Osaka, Japan Decision (Split) 2 2:00 2011-11-27 Win Kaku Niimi SHOOT BOXING Amateur Osaka, Japan Decision (Majority) 2 2:00 2010-08-07 Loss Shohei Setoguchi Young Caesar Cup Tokyo 2010 Tokyo, Japan Decision (Unanimous) 1 2:00 Legend: