As of June 2022, Combat Press ranks him as the fourth best super flyweight kickboxer in the world.[1]
Kickboxing career
NJKF
Kumura made his professional debut at NJKF 2013 5th against Hiroki Matsuoka, winning the fight by unanimous decision.[2] He would go on to amass an 8–3 record, which earned him the chance to fight Koudai Kusaka for the NJKF Bantamweight title. He beat Kusaka by a fourth-round TKO.[3] His last fight with NJKF was at NJKF 2017 west 4th, when he fought Ryo Takahashi.[4] Kumura lost the fight by unanimous decision.[5]
In early 2018, Kumura signed with K-1, and was scheduled to have his organizational debut at Krush 89, when he was scheduled to fight Takaya Ogura.[6] He beat Ogura by majority decision.[7] Kumura next fought Kaito Yamawaki at Krush 92, winning the fight by unanimous decision.[8] Making the transition from Krush to K-1, Kumura fought a no-contest due to doctor stoppage against Yuta Hayashi and lost an extra round decision against Akihiro Kaneko.[9]
Kumura participated in the 2019 K-1 Super Bantamweight Grand Prix. He defeated Sadegh Hashemi by TKO, after knocking the Iranian down twice in the third round. He lost the semifinal bout to the eventual tournament winner Yoshiki Takei by way of TKO, as he was knocked down twice in the first round.[10]
Kumura lost his next fight against Taito Gunji by unanimous decision, but was nonetheless given a place in the Krush Super Bantamweight tournament. He beat Hideki in the quarterfinals by way of a third-round knockout. Advancing to the semifinal, he fought Takahito Niimi.[11] Niimi won the fight by unanimous decision.[12]
Kumura was scheduled to face Kizaemon Saiga at K-1 World GP 2021 in Osaka on December 4, 2021.[17] He won the fight by a first-round knockout, stopping Saiga after just 67 seconds.[18]
Kumura was scheduled to face Kaito Ozawa at K-1 World GP 2022 Japan on February 27, 2022.[19] He won the fight by unanimous decision, with all three judges scoring the bout 30–29 in his favor.[20]
Krush featherweight champion
Kumura was rewarded for this two-fight winning streak with the opportunity to challenge the reigning Krush Featherweight championTakahito Niimi at Krush 137 on May 21, 2022.[21] He won the fight by unanimous decision, with all three judges scoring the bout 30–29 in his favor.[22]
Kumura faced the 2019 K-1 Featherweight World Grand Prix finalist Jawsuayai Sor.Dechaphan at K-1 World GP 2022 in Fukuoka on August 11, 2022, in the quarterfinals of the 2022 K-1 featherweight World Grand Prix.[23] He won the fight by a second-round technical knockout. Kumura had a great start to the fight, as he knocked Jawsuayai with a high kick near the end of the opening round. He knocked his opponent down twice more in the following round, first with a jab counter to a lead leg kick and then with a flurry of punches, with resulted in a stoppage victory for him under the tournament rules.[24] Kumura faced the incumbent K-1 featherweight championTaito Gunji in the next round of the one-day tournament. He lost the fight by a first-round knockout.[25]
Kumura made his first Krush Featherweight (-57.5kg) title defense against Riku Morisaka at Krush 147 on March 25, 2023.[28] He lost the fight by unanimous decision.[29]
Later Featherweight career
Kumura faced Shogo Kuriaki at KNOCK OUT 2023 vol.4 on September 16, 2023.[30]