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Roberto Satoshi Souza

MMA · Active
21-4RECORD
6KO / TKO WINS
13SUBMISSION WINS
2DECISION WINS

Profile

Full nameRoberto Satoshi de Souza
NicknameNot added yet
Date of birth19 Sep 1989
NationalityBrazilian / Japanese
BirthplaceSão Paulo, Brazil
Lives inIwata, Japan
DivisionLightweight
TeamBonsai Jiu-Jitsu
Height180 cm (5′11″)
Reach185 cm (73″)
StanceNot added yet
Years activesince 2013
StatusActive
Pro debut20 Oct 2013
Last fightWin vs Shunta Nomura, 10 Sep 2026

Details on this page were compiled from public information on 11 Oct 2026 (the record is as of that date). Is this you? Claim this profile to correct anything and add your photo and bio. Claim this profile

Titles and honours

Background

Brazilian-Japanese jiu-jitsu black belt based in Japan who became Rizin's first lightweight champion in 2021 and defended the belt five times, mostly by submission. He lost the title to Ilkhom Nozimov at the end of 2025 and continues to fight for Rizin.

Fight history

25 professional fights. Newest first.

ResultOpponentMethodRoundTimeEventDateLocationNotes
WinShunta NomuraDecision (unanimous)35:00Super Rizin 510 Sep 2026Osaka, Japan
LossIlkhom NozimovKO (knee)10:13Rizin: Shiwasu no Cho Tsuwamono Matsuri31 Dec 2025Saitama, JapanLost the Rizin Lightweight Championship
WinYoshinori HorieSubmission (rear-naked choke)11:40Rizin 5128 Sep 2025Nagoya, JapanDefended the Rizin Lightweight Championship
WinKi Won-binTechnical Submission (rear-naked choke)10:50Rizin World Series in Korea31 May 2025Incheon, South KoreaNon-title bout
WinVugar KaramovSubmission (triangle choke)14:45Rizin 4931 Dec 2024Saitama, JapanDefended the Rizin Lightweight Championship
WinLuiz GustavoTKO (punches)10:21Rizin 4829 Sep 2024Saitama, JapanDefended the Rizin Lightweight Championship
WinKeita NakamuraTKO (corner stoppage)11:43Rizin Landmark 923 Mar 2024Kobe, JapanNon-title bout
LossPatricky PitbullTKO (leg kick)30:49Bellator MMA x Rizin 230 Jul 2023Saitama, JapanCatchweight (161 lb); Bellator Lightweight Grand Prix quarterfinal
WinSpike CarlyleDecision (unanimous)35:00Rizin 426 May 2023Tokyo, JapanNon-title bout
LossA. J. McKeeDecision (unanimous)35:00Bellator MMA vs. Rizin31 Dec 2022Saitama, JapanNon-title bout
WinJohnny CaseSubmission (reverse triangle armbar)13:32Rizin 3517 Apr 2022Chōfu, JapanDefended the Rizin Lightweight Championship
WinYusuke YachiSubmission (triangle choke)23:30Rizin 3331 Dec 2021Saitama, JapanDefended the Rizin Lightweight Championship
WinTofiq MusayevSubmission (triangle choke)11:12Rizin 2813 Jun 2021Tokyo, JapanWon the inaugural Rizin Lightweight Championship
WinKazuki TokudomeSubmission (triangle choke)11:44Rizin 2721 Mar 2021Nagoya, Japan
WinYusuke YachiTKO (punches)11:52Rizin 229 Aug 2020Yokohama, Japan
LossJohnny CaseTKO (punch)11:15Rizin 1912 Oct 2019Osaka, Japan2019 Rizin Lightweight Grand Prix quarterfinal
WinMizuto HirotaKO (punches)13:05Rizin 1728 Jul 2019Tokyo, Japan
WinSatoru KitaokaTKO (punches)23:56Rizin 1521 Apr 2019Yokohama, JapanLightweight debut
WinBaek Seung-daeSubmission (rear-naked choke)11:06Arzalet Fighting 424 Nov 2018Seoul, South KoreaCatchweight (164 lb)
WinThiago OliveiraSubmission (rear-naked choke)13:00Arzalet Fighting 221 Oct 2017Curitiba, Brazil
WinPat AyuyuSubmission (armbar)11:54Real Fight Championship 512 Jun 2016Tokyo, JapanWon the RFC Super Lightweight Championship
WinYuta KanekoTKO (punches)12:06Real Fight Championship 412 Mar 2016Tokyo, Japan
WinRyuki UeyamaSubmission (arm-triangle choke)12:13Real Fight Championship 35 Dec 2015Yokohama, Japan
WinJung Doo-jeSubmission (rear-naked choke)11:05Real Fight Championship 123 Dec 2014Tokyo, Japan
WinNuerla MuratiSubmission (rear-naked choke)12:37Real Fight MMA Championship 320 Oct 2013Beijing, ChinaPro debut