Brazilian Jiu Jitsu Team History, Fighter Stats, Biographies and News

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Samuel Nagai

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Samuel Nagai Hatchwell is a Brazilian grappler and a jiu-jitsu black belt under Keiser Girão, who also worked extensively under the tutelage of his own brother – Jackson Nagai, as well as Marcos Souza, Carlos Holanda, and Lucas Leite. Nagai broke through as one of the sport’s most respected competitors at the IBJJF (International Brazilian Jiu-Jitsu Federation) 2018 World Championship, a tournament in which he beat some of the top athletes of his generation in Gutihery Barbosa, Italo Moura, and Jonatha Alves on his way to the title. A reputation he cemented during the following years.

Samuel Nagai Jiu-Jitsu

Full Name: Samuel Nagai Hatchwell

Nickname: N/A

Lineage: Carlos Gracie Sr. > Helio Gracie > Carlos Gracie Junior > Rigan Machado > Keiser Girão > Samuel Nagai

Main Achievements:

  • 1st Place IBJJF World Championship (2023)
  • 3rd Place IBJJF World Championship (2022)
  • 3rd Place IBJJF Pans Championship (2020)

Main Achievements (Colored Belts):

  • Fight 2 Win 155 LBS Champion (2020 brown)
  • Fight 2 Win 170 LBS Champion (2020 brown)
  • 1st Place IBJJF World Championship (2018 purple)
  • 1st Place IBJJF World Championship Juvenile (2017)
  • 1st Place FJJA Amazonas State (2017 / 2018 blue)
  • 1st Place UAEJJF Grand Slam, LA (2018 blue)

Favorite Position/Technique: Well Rounded / Blitz Passing

Weight Division: Leve (76,00 kg / 168.0 lbs)

Team/Association: Checkmat

Samuel Nagai Biography

Samuel Nagai was born on May 26, 2000, in Manés a small town neighboring Manaus – Brazil, near the Amazon Jungle.

Nagai’s great grandfather was a Japanese national, which allowed Samuel’s parents’ easy access to a working visa in Japan, an opportunity they took when Samuel and his older brother, were young. The two bros stayed behind for a few years, later moving to Japan when Samuel was 8 years old.

Samuel’s family did well in the thriving island country, both youngsters learned the language with ease and found good schools where they excelled. Unfortunately, the Nagai’s household would take a big turn in 2010, in a sequence of events that led the brothers to jiu-jitsu, as explained by Jackson Nagain (Samuel’s brother) in an interview to BJJ Heroes in April 2020:

We had a very stable life in Japan,” said Jackson. “But my father separated from my mother, he abandoned us. While leaving he assaulted my mom physically, an action that developed a lot of insecurities in me, both physical and mental.” In trying to find something that would help him protect his loved ones, Jackson started jiu-jitsu, taking Samuel with him.

Emerson Noriaki was Samuel’s first instructor. During his time in Japan, he also worked with Junior Handa and Marcos Souza – who promoted Nagai to green belt. Their time in Japan was followed by a return to Amazonas, settling in Manaus. Once in their home state, the brothers trained first with Marcio Pontes of Nova União, and later with Carlos Holanda (Esquisito), who was also a big part of the Nagai’s evolution.

It was while training with Holanda that former IBJJF World Champion Gabriel Moraes, a personal friend of Esquisito, intervened with the Manaus state governor, asking the politician for help in the process of taking the Nagai brothers to the World Jiu-Jitsu Championship in California.

At the sport’s most prestigious tournament, the brothers’ talent shined through. The experience gave them further exposure and soon enough the Nagai’s were invited to join the Checkmat Academy in California, there training with Lucas Leite.

By the end of 2019 Samuel started working more frequently with another Checkmat coach, Mr. Keiser Girão in Texas for reasons Samuel explained to BJJ Heroes in August 2020:

I came here [Texas] for the opportunity to train with him [Keiser]. He gives me a ton of motivation on the mat. It was also through him that I was able to treat my lower back through physiotherapy. I was out for almost 1 year due to lower back issues,” the Brazilian athlete explained, “I came here for a test. Spent a month training here, then, after the test, we decided to join this workgroup. The same program as Matheus Gabriel“.

Samuel’s time with Girão was his first jiu-jitsu experience away from his brother, the person who had always helped guide Nagai. In August 2020, Keiser Girão promoted Samuel to the rank of black belt.

Samuel Nagai Grappling Record

57 WINS
  • BY POINTS
    10 (18%)
  • BY ADVANTAGES
    5 (9%)
  • BY SUBMISSION
    35 (61%)
  • BY DECISION
    7 (12%)
  • BY PENALTIES
    0 (0%)
  • BY DQ
    0 (0%)

35 SUBMISSIONS WINS

#214eb8
Armbar
26
9
#86e620
Choke from back
17
6
#5AD3D1
Triangle
14
5
#d1212a
Botinha
11
4
#fad11b
Canto choke
6
2
#f58822
Espalha frango
3
1
#224aba
Katagatame
3
1
#ff9124
Shoulder lock
3
1
#bf1f6c
Suloev stretch
3
1
#22c9a5
Armlock
3
1
#fad223
Loop choke
3
1
#03861f
Violin armlock
3
1
#039a1f
Cross choke
3
1
#03b41f
Triangle armlock
3
1
35
(100%) SUBMISSIONS
14 LOSSES
  • BY POINTS
    7 (50%)
  • BY ADVANTAGES
    1 (7%)
  • BY SUBMISSION
    4 (29%)
  • BY DECISION
    2 (14%)
  • BY PENALTIES
    0 (0%)
  • BY DQ
    0 (0%)

4 SUBMISSIONS LOSSES

#214eb8
Kneebar
25
1
#86e620
Straight ankle lock
25
1
#5AD3D1
Choke from back
25
1
#d1212a
Verbal tap
25
1
4
(100%) SUBMISSIONS

Samuel Nagai Fight History

ID Opponent W/L Method Competition Weight Stage Year
23974Carlos SouzaLKneebarSUBVERSIV 3ABSSF2020
24060Adam BenayounAdam BenayounLPts: 6x2Oklahoma Open70KGF2020
24223Thiago MacedoThiago MacedoLPts: 2x0Pan American70KGSF2020
28115Fabricio AndreyFabricio AndreyLPts: 7x6Brasileiro70KGSF2021
32245Kennedy MacielKennedy MacielLPts: 2x0Brasileiro70KG4F2022
33015Isaac DoederleinIsaac DoederleinLStraight ankle lockWorld Champ.70KGSF2022
37803Meyram MaquineMeyram MaquineLPts: 4x2Spyder RTBB65KG4F2023
38612Israel SousaIsrael SousaLChoke from backPan American70KG8F2023
42836Diogo ReisDiogo ReisLReferee DecisionBJJ Stars70KGSPF2023
49283Meyram MaquineMeyram MaquineLPts: 4x4, AdvBJJ Stars 1270KGSPF2024
50464Sebastian SerpaSebastian SerpaLPts: 2x0World Champ.70KG8F2024
57221Cole AbateCole AbateLPts: 2x0Austin WO76KGF2025
57244Roberto JimenezRoberto JimenezLVerbal tapAustin WOABSF2025
57915Cole AbateCole AbateLReferee DecisionPan Champ.70KG4F2025
23957Luca RamaciWBotinhaSUBVERSIV 382KGR12020
23967Fred SilvaWReferee DecisionSUBVERSIV 382KG4F2020
23978Samuel SnowWBotinhaSUBVERSIV 382KG3RD2020
24048Gianni GrippoGianni GrippoWReferee DecisionF2W 15370KGSPF2020
24059Emilio HernandezEmilio HernandezWPointsOklahoma Open70KGSF2020
24199Danilo MoreiraDanilo MoreiraWPts: 2x2, AdvPan American70KGR12020
24211Isaac DoederleinIsaac DoederleinWPts: 17x4Pan American70KG8F2020
24220Emilio HernandezEmilio HernandezWChoke from backPan American70KG4F2020
24456Marcio AndreMarcio AndreWReferee DecisionF2W 15677KGSPF2020
24608Mauricio GomezWBotinhaF2W 15870KGSPF2020
27161Matheus OndaWChoke from backBJJ Bet76KGSPF2021
28114Wesley SantosWChoke from backBrasileiro70KG4F2021
29093Michael ThorneWLoop chokeJJ CON70KGR12021
29096Brian MahechaBrian MahechaWArmbarJJ CON70KG4F2021
29383Richar NogueiraRichar NogueiraWReferee DecisionF2W 18870KGSPF2021
29888Edmaicon MoraesWChoke from backF2W 19070KGSPF2022
31869Freire AlmeidaWBotinhaAmazonense76KGSF2022
31943Cleiver SilvaWTriangleRio Fall Open70KGR12022
31949Jose VitoWArmbarRio Fall Open70KGR12022
31953Matheus OndaWPts: 8x8, AdvRio Fall Open70KGSF2022
32998Giovanni MarceloWArmbarWorld Champ.70KGR12022
33004Gabriel SousaGabriel SousaWViolin armlockWorld Champ.70KG8F2022
33012Fabricio AndreyFabricio AndreyWReferee DecisionWorld Champ.70KG4F2022
33796Michael DiazWChoke from backAustin SMO70KGSF2022
33797Brian MahechaBrian MahechaWArmbarAustin SMO70KGF2022
33871Kyvann JimenezWCross chokeOrlando SMO70KG4F2022
33873Ismael SantosIsmael SantosWPts: 11x4Orlando SMO70KGSF2022
33874Sebastian SerpaSebastian SerpaWPts: 4x2Orlando SMO70KGF2022
34672Saeth KaelinWArmbarJJWL Dallas NG76KGRR2022
34673Jeffrey RobinsonWTriangleJJWL Dallas NG76KGRR2022
35373Ismael SantosIsmael SantosWPts: 4x0Atlanta FNGO73KGSF2022
35375Jeffrey CummingsWArmbarAtlanta FNGO73KGF2022
35935Fabricio AndreyFabricio AndreyWReferee DecisionBJJ Stars70KGSPF2022
39653Josh CisnerosJosh CisnerosWReferee DecisionF2W 22770KGSPF2023
40506Keyto OyanagiWArmbarWorld Champ.70KGR12023
40521Jun Yong ChoWPts: 12x0World Champ.70KG8F2023
40527Alex SodreAlex SodreWPts: 0x0, AdvWorld Champ.70KG4F2023
40529Isaac DoederleinIsaac DoederleinWTriangle armlockWorld Champ.70KGSF2023
40530Diego SodreDiego SodreWPts: 4x2World Champ.70KGF2023
41953Johnathan FrankWEspalha frangoPhoenix Open76KGSF2023
41954Danilo MoreiraDanilo MoreiraWArmbarPhoenix Open76KGF2023
42010Gabriel CardosoWPointsDallas SMO76KGRR2023
42011Lukete SilvaLukete SilvaWPointsDallas SMO76KGF2023
42025R. EvangelistaR. EvangelistaWChoke from backDallas SMOABS4F2023
42029Marco MendesMarco MendesWPointsDallas SNGO73KGRR2023
42031Marco MendesMarco MendesWKatagatameDallas SNGO73KGF2023
45826Diego OliveiraDiego OliveiraWPts: 4x4, AdvThe Crown70KGSF2023
45828Isaac DoederleinIsaac DoederleinWAdvThe Crown70KGF2023
47416Israel SousaIsrael SousaWShoulder lockADXC 370KGSPF2024
50453Youngseung ChoYoungseung ChoWTriangleWorld Champ.70KGR22024
53959Henrique BarretoWCanto chokeHouston FO76KGF2024
57220Sho InaokaWSuloev stretchAustin WO76KGSF2025
57241Ryder HirataWTriangleAustin WOABS4F2025
57243Franco DiazFranco DiazWTriangleAustin WOABSSF2025
57911An VuWCanto chokePan Champ.70KG8F2025
58442Sho InaokaWArmbarChicago SPO76KGSF2025
58444Jose PerezWArmlockChicago SPO76KGF2025

Samuel Nagai vs Johnatha Alves Highlights – 2018 World Tournament Finals

 

 

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