, formerly known by her

ring name A ring name is a type of stage name used by an athlete such as a professional wrestler, mixed martial artist, or boxer whose real name is considered unattractive, dull, difficult to pronounce or spell, amusing for the wrong reasons, or projecting ...

, is a Japanese female

mixed martial artist Mixed martial arts (MMA), sometimes referred to as cage fighting, no holds barred (NHB), and ultimate fighting, and originally referred to as Vale Tudo is a full-contact combat sport based on striking, grappling and ground fighting, incorp ...

and

kickboxer Kickboxing is a combat sport focused on kicking and punching. The combat takes place in a boxing ring, normally with boxing gloves, mouthguards, shorts, and bare feet to favour the use of kicks. Kickboxing is practiced for self-defense, general ...

. Her former nickname comes from the V1 armlock wrestling move. Yamaguchi currently fights as a

lightweight Lightweight is a weight class in combat sports and rowing. Boxing Professional boxing The lightweight division is over 130 pounds (59 kilograms) and up to 135 pounds (61.2 kilograms) weight class in the sport of boxing. Notable lightweight boxe ...

in the

Jewels A gemstone (also called a fine gem, jewel, precious stone, or semiprecious stone) is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments. However, certain rocks (such as lapis lazuli, opal, a ...

promotion. She has a notable victory over

Yuka Tsuji is a Japanese female mixed martial artist whose nickname is Vale Tudo Queen. Tsuji was a prolific female mixed martial artist in the 2000s. Tsuji is a former Smackgirl tournament winner, Smackgirl Lightweight Champion and Valkyrie Featherweig ...

and was the final Valkyrie Featherweight Champion. She is currently ranked #5 in the ONE Championship Women's Atomweight rankings. On , Yamaguchi announced that she would begin competing as a freelance fighter and changed her ring name to V.V.

Early life

Yamaguchi was born in

Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.468 ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

on . While living in

Los Angeles Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

, she studied some of her

elementary school A primary school (in Ireland, the United Kingdom, Australia, Trinidad and Tobago, Jamaica, and South Africa), junior school (in Australia), elementary school or grade school (in North America and the Philippines) is a school for primary ed ...

years before returning to Japan. She also studied abroad in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

during her

university A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, t ...

years. Yamaguchi began to learn

karate (; ; Okinawan language, Okinawan pronunciation: ) is a martial arts, martial art developed in the Ryukyu Kingdom. It developed from the Okinawan martial arts, indigenous Ryukyuan martial arts (called , "hand"; ''tii'' in Okinawan) under the ...

during her residence in the United States around the age of 7 years old, yearning to be like

Jackie Chan Fang Shilong (born 7 April 1954), known professionally in English as Jackie Chan and in Chinese as Cheng Long ( zh, c=成龍, j=Sing4 Lung4; "becoming the dragon"), is a Hong Kong actor, filmmaker, martial artist, and stuntman known for ...

. During

college A college (Latin: ''collegium'') is an educational institution or a constituent part of one. A college may be a degree-awarding tertiary educational institution, a part of a collegiate or federal university, an institution offering ...

, she started training in

Brazilian Jiu-Jitsu Brazilian jiu-jitsu (BJJ; pt, jiu-jitsu brasileiro ) is a self-defence martial art and combat sport based on grappling, ground fighting (ne-waza) and submission holds. BJJ focuses on the skill of taking an opponent to the ground, control ...

. After returning to Japan, she joined Butoku Kai. She currently serves as the leader of the Morishita branch. In 2005, Yamaguchi entered into the Max Jiu-Jitsu Academy.

Mixed martial arts career

Yamaguchi started her professional career in MMA in the lightweight tournament of ''

Smackgirl Smackgirl was a Japanese mixed martial arts promotion focused solely on female fighters. The promotion also held grappling and amateur events along with its main line of professional MMA cards. After financial difficulties throughout 2008 the pr ...

-F 2007: The Next Cinderella Tournament 2007 First Stage'' on , where she defeated Anna Saito by

submission Deference (also called submission or passivity) is the condition of submitting to the espoused, legitimate influence of one's superior or superiors. Deference implies a yielding or submitting to the judgment of a recognized superior, out of re ...

due to a

rear naked choke The rear naked choke (RNC) is a chokehold in martial arts applied from an opponent's back. The word "naked" in this context suggests that, unlike other strangulation techniques found in jujutsu/judo, this hold does not require the use of a keikogi ...

. Yamguchi won her next fight in Smackgirl, defeating

Saori Ishioka is a Japanese people, Japanese female mixed martial arts, mixed martial artist, kickboxer and karateka. She has participated in MMA promotions Smackgirl and Jewels (mixed martial arts), Jewels. Her nickname is Shooting Star. Background Ishioka w ...

with a

kneebar A leglock is a joint lock that is directed at joints of the leg such as the ankle, knee or hip joint. A leglock which is directed at joints in the foot, is sometimes referred to as a foot lock and a lock at the hip as a hip lock. Leglocks are f ...

, forcing Ishioka to tap in the second round in the semi-finals at ''Smackgirl-F 2007: The Next Cinderella Tournament 2007 2nd Stage'' on . On at ''Smackgirl 2007: Queens' Hottest Summer'', Yamaguchi defeated Emi Tomimatsu by

split decision A split decision (SD) is a winning criterion in boxing, most commonly in full-contact combat sports, in which two of the three judges score one particular competitor as the winner, while the third judge scores for the other competitor. A split dec ...

, winning the final of the Next Cinderella Tournament 2007 in the lightweight division. In her last fight with the promotion Smackgirl and her fourth professional match, Yamaguchi was defeated via split decision by

Emi Fujino is a Japanese female mixed martial artist, kickboxer and professional wrestler, occasionally nicknamed . Background Fujino was born on in Aichi Prefecture, Japan. After graduating from college, she started training in Japanese style of catch ...

on at ''Smackgirl 7th Anniversary: Starting Over''. Her next bout would be at the first event for the promotion Valkyrie, ''Valkyrie 01'', where she lost by unanimous decision against women's MMA legend

on . It was just the fourth time that Tsuji had been taken to a decision. Yamaguchi rebounded by winning her next two bouts in the inaugural Valkyrie women's featherweight tournament. The first was a unanimous decision win over

on at ''Valkyrie 02'' in a rematch of their 2007 bout. The second tournament bout was against Kyoko Takabayashi, whom Yamaguchi was able to defeat with a close split decision at ''Cage Force & Valkyrie'' on , winning the tournament in the process and earning the right to face Yuka Tsuji for Valkyrie's Featherweight championship. At ''Valkyrie 04'', in her second match against Tsuji, Yamaguchi was once again the

underdog An underdog is a person or group in a competition, usually in sports and creative works, who is largely expected to lose. The party, team, or individual expected to win is called the favorite or top dog. In the case where an underdog wins, the ...

, but she managed to defeat Tsuji with a

in only 76 seconds. This was the first time that Tsuji was defeated by a fellow Japanese fighter and only the second time that she had been defeated in her MMA career. Yamaguchi became Valkyrie's Featherweight Champion in what is considered one of the biggest upsets in the history of women's mixed martial arts. On , Yamaguchi faced Kyoko Takabayashi in a rematch of the 2009 featherweight tournament final and Yamaguchi's first defense of Valkyrie's featherweight title. Yamaguchi barely retained with a contentious

majority draw A majority draw is an outcome in several full-contact combat sports, including boxing, mixed martial arts (MMA), and other sports involving striking. In a majority draw, two of the three judges agree that neither fighter won (i.e. tied scorecards), ...

in which the dissenting judge scored the fight in favor of Takabayashi at ''Valkyrie 08''. Yamaguchi faced "Windy" Tomomi Sunaba at '' Pancrase Impressive Tour 3'' on . She defeated Sunaba by majority decision. Yamaguchi next faced Akiko Naito at ''Pancrase Impressive Tour 4'' on . She defeated Naito by armbar submission in the first round. Yamaguchi faced

Seo Hee Ham Seo Hee Ham ( ko, 함서희 ; born ), written Ham Seo-Hee in Korean order, is a South Korean professional mixed martial artist and kickboxer. She is currently signed to ONE Championship, where she is ranked #2 in the ONE Championship Women's Ato ...

in a ''Jewels vs. Valkyrie'' match at '' Jewels 15th Ring'' on . She was defeated by unanimous decision. Yamaguchi faced

Mika Nagano is a Japanese female mixed martial artist and professional wrestler. She fought as a lightweight in the Deep and Jewels promotions before her retirement in 2014. Nagano has also wrestled in Ice Ribbon and World Wonder Ring Stardom. Her nickname ...

at ''

Jewels 17th Ring ''Jewels 17th Ring'' was a mixed martial arts (MMA) event held by promotion Jewels on at Shinjuku Face in Kabukicho, Tokyo, Japan. The event featured the semi-finals and final of the Jewels Featherweight Queen tournament, which determined the f ...

'' on . She won the fight by split decision. Yamaguchi fought outside Japan for the first time in her MMA career when she faced

Katja Kankaanpää Katja Kankaanpää (; born June 30, 1981) is a Finnish former mixed martial artist Mixed martial arts (MMA), sometimes referred to as cage fighting, no holds barred (NHB), and ultimate fighting, and originally referred to as Vale Tudo is ...

at Botnia Punishment 11 on in Finland. She was defeated by unanimous decision. On , Yamaguchi faced Emi Tomimatsu in a rematch at ''Jewels 20th Ring''. She defeated Tomimatsu by unanimous decision. Yamaguchi next faced

Megumi Fujii Megumi Fujii (藤井恵 ''Fujii Megumi'', born April 26, 1974) is a retired Japanese mixed martial artist. Biography Fujii started Judo at the age of 3 due to her father's influence and continued Judo at Shukugawa Gakuin Junior High School an ...

at '' Vale Tudo Japan 2012'' on . She was defeated by unanimous decision. On , Yamaguchi faced Seo Ye Jung at ''Jewels 24th Ring''. She defeated Jung by submission due to an armbar in the first round. In her second fight outside Japan, Yamaguchi faced Patricia Vidonic at ''Pacific Xtreme Combat 40'' on in Guam. She was defeated by split decision. Yamaguchi faced Julie Mezabarba as part of an alternate bout for the Atomweight World Grand-Prix at ONE Championship: Empower on September 3, 2021. She lost the bout via unanimous decision. Yamaguchi faced Jihin Radzuan at ONE: Bad Blood on February 11, 2022, as a late notice replacement for Jenelyn Olsim. She lost the bout via unanimous decision.

Submission grappling and shoot boxing career

Yamaguchi tried her hand in submission grappling, first in the ''

Abu Dhabi Combat Club The ADCC Submission Fighting World Championship, is an international submission wrestling, submission grappling competition, organised by the Abu Dhabi Combat Club (ADCC). The inaugural tournament was held in Abu Dhabi, UAE in 1998. It has been ...

Japan Trial final qualifier'' in the under-55 kg class, where she was defeated by points by

Yasuko Mogi Yasuko (written: , , , , , , , , or ) is a feminine Japanese given name. Notable people with the name include: *, Japanese empress *, Japanese manga artist *, Japanese swimmer *, Japanese empress consort * Yasuko Harada (原田康子, 19282009), ...

on . In her second and final submission grappling match, she was once again defeated by points; this time by women's MMA star Miku Matsumoto at ''DEEP X03'' on . Yamaguchi has had a more successful run in shoot boxing. She began competing on , in the shoot boxing tournament ''Girls S-Cup 2009'', where she defeated by decision

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...

n female

Muay thai Muay Thai ( th, มวยไทย, , ), sometimes referred to as Thai boxing, is a combat sport that uses stand-up striking along with various clinching techniques. This discipline is known as the "art of eight limbs", as it is characterised ...

kickboxer

Su Jeong Lim Lim Su-Jeong ( ko, 임수정, born ) is a former South Korean female Muay Thai kickboxer. She competes professionally since 2004 and is a former Southern Thailand Middleweight and South Korea Muay Thai Bantamweight Champion. Her good looks earne ...

and fellow mixed martial artist and karateka Madoka Okada before losing against female shoot boxing rising star

Rena Kubota , better known by her ring name Rena or Reina, is a professional Japanese shoot wrestler, kickboxer and mixed martial artist, currently competing in the strawweight division of Rizin. A professional competitor since 2007, Kubota previously co ...

in the tournament final. Yamaguchi won her next two bouts by decision. She participated in the shoot boxing ''Girls S-Cup 2010'', defeating Samanta van Dole by technical submission (standing guillotine choke) and losing against

Ai Takahashi (born September 14, 1986) is a Japanese singer and actress formerly associated with the Hello! Project and is best known as the leader of Morning Musume and Hello! Project until 2011. She is also a former member of its popular subgroup Mini Moni ...

by unanimous decision after an extra round. On , Yamaguchi entered the ''2011 Shoot Boxing Girls S-Cup'' tournament. She faced Mina in the opening round and was defeated by majority decision. Yamaguchi entered the ''2012 Shoot Boxing Girls S-Cup'' on . She defeated Namtarn Por Munagpetch and Lorena Klijn to advance to the final round, but lost to

via unanimous decision in the tournament final. Yamaguchi faced Lorena Klijn in a rematch at ''Shoot Boxing 2013: Act.3'' on . She was defeated by unanimous decision. Yamaguchi was scheduled to compete against Du Peiling at the ''2013 Shoot Boxing Girls S-Cup Japan Midsummer Festival'' on . However, Peiling suffered an injury and Yamaguchi instead faced Chihiro Kira. She defeated Kira by unanimous decision. Yamaguchi faced Danielle Kelly in a grappling match at ONE: X on March 26, 2022. They grappled to a draw after 12 minutes after neither could find the submission.

Mixed martial arts record

, - , Loss , align=center, , Jihin Radzuan , Decision (unanimous) , ONE: Bad Blood , , align=center, 3 , align=center, 5:00 ,

Kallang Kallang is a planning area and residential town located in the Central Region of Singapore. Development of the town is centered around the Kallang River, the longest river in Singapore. Kallang Planning Area is bounded by Toa Payoh in the no ...

, Singapore , , - , Loss , align=center, , Julie Mezabarba , Decision (unanimous) , ONE: Empower , , align=center, 3 , align=center, 5:00 ,

, Singapore , , - , Loss , align=center, ,

Denice Zamboanga Denice Zamboanga (; born 14 January 1997) is a Filipino female mixed martial artist. She is ranked #2 in the ONE Championship Women's Atomweight rankings. Background Zamboanga was born and raised in Quezon City, Philippines, and her older bro ...

, Decision (unanimous) , ONE: King of the Jungle , , align=center, 3 , align=center, 5:00 ,

, Singapore , , - , Win , align=center, 21–11–1 , Jenny Huang , Decision (unanimous) , ONE: Century Part 2 , , , align=center, 3 , align=center, 5:00 ,

, Japan , , - , Win , align=center, 20–11–1 , Laura Balin , Submission (Armbar) , ONE: Enter the Dragon , , , align=center, 1 , align=center, 3:46 ,

, Singapore , , - , Win , align=center, 19–11–1 , Kseniya Lachkova , Submission (Armbar) , ONE: A New Era , , , align=center, 3 , align=center, 3:18 ,

, Japan , , - , Win , align=center, 18–11–1 , Jomary Torres , Decision (unanimous) , ONE: Destiny of Champions , , align=center, 3 , align=center, 5:00 ,

Kuala Lumpur , anthem = '' Maju dan Sejahtera'' , image_map = , map_caption = , pushpin_map = Malaysia#Southeast Asia#Asia , pushpin_map_caption = , coordinates = , su ...

, Malaysia , , - , Loss , align=center, 17–11–1 ,

Angela Lee Angela Seung Ju Pucci (née Lee, Chinese: 李胜珠, Korean: 이승주, born July 8, 1996) is a Canadian-American mixed martial artist of Singaporean, Chinese and Korean heritage who is currently competing in ONE Championship. On May 5, 2016, ...

, Decision (unanimous) , ONE: Unstoppable Dreams , , align=center, 5 , align=center, 5:00 ,

, Singapore , , - , Win , align=center, 17–10–1 , Gina Iniong , Decision (unanimous) , ONE: Immortal Pursuit , , align=center, 3 , align=center, 5:00 ,

, Singapore , , - , Win , align=center, 16–10–1 , Jenny Huang , Submission (rear-naked choke) , ONE: Light of a Nation , , align=center, 2 , align=center, 4:00 ,

Yangon Yangon ( my, ရန်ကုန်; ; ), formerly spelled as Rangoon, is the capital of the Yangon Region and the largest city of Myanmar (also known as Burma). Yangon served as the capital of Myanmar until 2006, when the military government ...

, Myanmar , , - , Loss , align=center, 15–10–1 , Istela Nunes , Decision (split) , ONE: Heroes of the World , , align=center, 3 , align=center, 5:00 ,

Macau Macau or Macao (; ; ; ), officially the Macao Special Administrative Region of the People's Republic of China (MSAR), is a city and special administrative region of China in the western Pearl River Delta by the South China Sea. With a pop ...

, China , , - , Loss , align=center, 15–9–1 ,

, Decision (unanimous) , ONE: Ascent to Power , , align=center, 5 , align=center, 5:00 ,

, Singapore , , - , Win , align=center, 15–8–1 ,

Satomi Takano is a Japanese mixed martial artist, currently competing in the atomweight division of Shooto, where she is the current Shooto Super Atomweight champion. Mixed martial arts career DEEP JEWELS Early career Takano made her professional debut agai ...

, TKO (punches) , Deep Jewels 8 , , align=center, 2 , align=center, 4:57 ,

, Japan , , - , Win , align=center, 14–8–1 ,

Mina Kurobe is a Japanese mixed martial artist, currently fighting in the super atomweight division of Shooto, where she is the former and inaugural Shooto Super Atomweight champion. A professional competitor since 2012, Kurobe is also the former DEEP JEW ...

, Decision (unanimous) , Deep Jewels 8 , , align=center, 2 , align=center, 5:00 ,

, Japan , , - , Win , align=center, 13–8–1 , Miyoko Kusaka , KO (knee to the body) , Deep Jewels 7 , , align=center, 1 , align=center, 0:44 ,

, Japan , , - , Loss , align=center, 12–8–1 ,

Ayaka Hamasaki is a Japanese female mixed martial artist, judoka and submission grappler. She is the former Rizin Super Atomweight Champion. She has fought in MMA promotions ''Shooto'', Jewels and Rizin in Japan, and Invicta FC in the United States. Hamasaki ...

, Decision (unanimous) , Deep - Dream Impact 2014: Omisoka Special , , align=center, 2 , align=center, 5:00 , Saitama, Japan , , - , Win , align=center, 12–7–1 , Yukiko Seki , Technical Submission (rear naked choke) , Deep-Jewels 4 , , align=center, 1 , align=center, 3:17 ,

Tokyo, Japan Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and List of cities in Japan, largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, ...

, , - , Loss , align=center, 11–7–1 , Gina Iniong , Decision (split) , Pacific Xtreme Combat 43 , , align=center, 3 , align=center, 5:00 ,

National Capital Region A capital region, also called a capital district or capital territory, is a region or district surrounding a capital city. It is not always the official term for the region, but may sometimes be used as an informal synonym. Capital regions can exis ...

, Philippines , , - , Loss , align=center, 11–6–1 , Patricia Vidonic , Decision (split) , Pacific Xtreme Combat 40 , , align=center, 3 , align=center, 5:00 ,

Mangilao Mangilao is a Villages of Guam, village on the eastern shore of the United States territory of Guam. The village's population has decreased slightly since the island's 2010 census. Cliffs lie along much of the village's shoreline provide dramatic ...

Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic cent ...

, United States , , - , Win , align=center, 11–5–1 , Seo Ye Jung , Submission (armbar) , Jewels 24th Ring , , align=center, 1 , align=center, 1:55 , Kabukicho,

, Japan , , - , Loss , align=center, 10–5–1 ,

, Decision (unanimous) , Vale Tudo Japan 2012 , , align=center, 2 , align=center, 5:00 ,

Shibuya Shibuya ( 渋谷区 ''Shibuya-ku'') is a special ward in Tokyo, Japan. As a major commercial and finance center, it houses two of the busiest railway stations in the world, Shinjuku Station (southern half) and Shibuya Station. As of April 1 ...

, Japan , , - , Win , align=center, 10–4–1 , Emi Tomimatsu , Decision (unanimous) , Jewels 20th Ring , , align=center, 2 , align=center, 5:00 ,

Koto Koto may refer to: * Koto (band), an Italian synth pop group * Koto (instrument), a Japanese musical instrument * Koto (kana), a ligature of two Japanese katakana * Koto (traditional clothing), a traditional dress made by Afro-Surinamese women * K ...

, Japan , , - , Loss , align=center, 9–4–1 ,

, Decision (unanimous) , Botnia Punishment 11: Kankaanpää vs. Yamaguchi , , align=center, 3 , align=center, 5:00 ,

Seinäjoki Seinäjoki (; "Wall River"; la, Wegelia, formerly sv, Östermyra) is a city located in South Ostrobothnia, Finland; east of Vaasa, north of Tampere, west of Jyväskylä and southwest of Oulu. Seinäjoki originated around the Östermyra bru ...

, Finland , , - , Win , align=center, 9–3–1 ,

, Decision (split) ,

, , align=center, 2 , align=center, 5:00 , Kabukicho,

, Japan , , - , Loss , align=center, 8–3–1 ,

, Decision (unanimous) , Jewels 15th Ring , , align=center, 2 , align=center, 5:00 , Kabukicho,

, Japan , , - , Win , align=center, 8–2–1 , Akiko Naito , Submission (armbar) , Pancrase: Impressive Tour 4 , , align=center, 1 , align=center, 3:52 ,

, Japan , , - , Win , align=center, 7–2–1 , Tomomi Sunaba , Decision (majority) , Pancrase: Impressive Tour 3 , , align=center, 2 , align=center, 5:00 ,

, Japan , , - , Draw , align=center, 6–2–1 , Kyoko Takabayashi , Draw (majority) , Valkyrie 08 , , align=center, 3 , align=center, 5:00 ,

, Japan , , - , Win , align=center, 6–2 ,

, Submission (rear-naked choke) , Valkyrie 04 , , align=center, 1 , align=center, 1:16 ,

, Japan , , - , Win , align=center, 5–2 , Kyoko Takabayashi , Decision (split) , Cage Force & Valkyrie , , align=center, 3 , align=center, 3:00 ,

, Japan , , - , Win , align=center, 4–2 ,

, Decision (unanimous) , Valkyrie 02 , , align=center, 3 , align=center, 3:00 ,

, Japan , , - , Loss , align=center, 3–2 ,

, Decision (unanimous) , Valkyrie 01 , , align=center, 3 , align=center, 3:00 ,

, Japan , , - , Loss , align=center, 3–1 ,

, Decision (split) , Smackgirl 7th Anniversary: Starting Over , , align=center, 2 , align=center, 5:00 , Bunkyo,

, Japan , , - , Win , align=center, 3–0 , Emi Tomimatsu , Decision (split) , Smackgirl 2007: Queens' Hottest Summer , , align=center, 2 , align=center, 5:00 , Bunkyo,

, Japan , , - , Win , align=center, 2–0 ,

, Submission (kneebar) , Smackgirl-F 2007: The Next Cinderella 2007 2nd Stage , , align=center, 2 , align=center, 1:24 , Bunkyo,

, Japan , , - , Win , align=center, 1–0 , Anna Saito , Submission (rear-naked choke) , Smackgirl-F 2007: The Next Cinderella Tournament 2007 First Stage , , align=center, 1 , align=center, 4:53 , Kabukicho,

, Japan ,

Submission grappling record

, - , , Draw , Danielle Kelly , ONE: X ,

Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...

, Decision , 1 , 12:00 , 0-2-1 , , - , , Loss , Miku Matsumoto , DEEP X03 ,

, Points (4-10) , 2 , 4:00 , 0-2-0 , , - , , Loss ,

, Abu Dhabi Combat Club Japan Trial final qualifier ,

, Points (2-6) , N/A , N/A , 0-1-0 , Women under-55 kg class - 1st round , - , colspan=10 , ''Legend'':

Shoot boxing record

, - style="background:#fbb;" , 2015-08-21, , Loss, , align=left,

MIO Mio or MIO may refer to: shortened form of Mioritic Shepherd dog or Mioritic sheepdog; a Romanian mountain dog. Places * Mio, Michigan, a town in the US Music * ''Mío'', 2011 album by David Bustamante * "Mío", 1992 song by Paulina Rubio Bra ...

, , Shoot Boxing Girls S-Cup 2015 Japan Tournament, Semi Final, ,

, , Ext.R Decision (Unanimous) , , 4 , , 3:00, , 9-6-0 , - style="background:#cfc;" , 2015-08-21, , Win, , align=left, Michi , , Shoot Boxing Girls S-Cup 2015 Japan Tournament, Quarter Final, ,

, , Decision (Unanimous) , , 4 , , 3:00, , 9-5-0 , - bgcolor="CCFFCC" , 2013-08-03 , , Win , , align=left, Chihiro Kira , , Shoot Boxing Girls S-Cup 2013 , , Tokyo, Japan , , Decision (unanimous) , , 3 , , 3:00 , , 8-5-0 , - bgcolor="FFBBBB" , 2013-06-23 , , Loss , , align=left, Lorena Klijn , , Shoot Boxing 2013: Act.3 , , Tokyo, Japan , , Decision (unanimous) , , 3 , , 3:00 , , 7-5-0 , - bgcolor="FFBBBB" , 2012-08-25 , , Loss , , align=left,

, , Shoot Boxing Girls S-Cup 2012, final , , Tokyo, Japan , , Decision (unanimous) , , 3 , , 2:00 , , 7-4-0 , - bgcolor="CCFFCC" , 2012-08-25 , , Win , , align=left,

Lorena Klijn Lorena Klijn (born September 20, 1987) is a Dutch kickboxer who competes in the flyweight and bantamweight divisions. Career Lorena Klijn rose to prominence by winning the World Professional Kickboxing League (WPKL) Women's World Flyweight Champ ...

, , Shoot Boxing Girls S-Cup 2012, semi-finals , , Tokyo, Japan , , Decision (unanimous) , , 4 (Ex.1) , , 2:00 , , 7-3-0 , - ! style=background:white colspan=9 , , - , - bgcolor="CCFFCC" , 2012-08-25 , , Win , , align=left, Namtarn Por Munagpetch , , Shoot Boxing Girls S-Cup 2012, first round , , Tokyo, Japan , , Decision (unanimous) , , 4 (Ex.1) , , 2:00 , , 6-3-0 , - bgcolor="FFBBBB" , 2011-08-19 , , Loss , , align=left, Mina , , Shoot Boxing Girls S-Cup 2011, first round , , Tokyo, Japan , , Decision (majority) , , 3 , , 2:00 , , 5-3-0 , - bgcolor="FFBBBB" , 2010-08-29 , , Loss , , align=left,

, , Shoot Boxing Girls S-Cup 2010, semi-finals , , Tokyo, Japan , , Decision (unanimous) , , 4 (Ex.1) , , 2:00 , , 5-2-0 , - bgcolor="CCFFCC" , 2010-08-29 , , Win , , align=left, Samanta van Dole , , Shoot Boxing Girls S-Cup 2010, first round , , Tokyo, Japan , , TKO (Technical submission, standing guillotine choke) , , 3 , , 1:45 , , 5-1-0 , - ! style=background:white colspan=9 , , - , - bgcolor="CCFFCC" , 2010-06-06 , , Win , , align=left, Ikue Tanimura , , Shoot Boxing 25th anniversary series , , Tokyo, Japan , , Decision (unanimous) , , 3 , , 2:00 , , 4-1-0 , - bgcolor="CCFFCC" , 2009-11-18 , , Win , , align=left, Etsu Senchaigym , , Shoot Boxing 2009: Bushido , , Tokyo, Japan , , Decision (unanimous) , , 4 (Ex.1) , , 2:00 , , 3-1-0 , - bgcolor="FFBBBB" , 2009-08-23 , , Loss , , align=left, Rena Kubota , , Shoot Boxing Girls Tournament 2009 final , , Tokyo, Japan , , Decision (unanimous) , , 3 , , 2:00 , , 2-1-0 , - bgcolor="CCFFCC" , 2009-08-23 , , Win , , align=left, Madoka Okada , , Shoot Boxing Girls Tournament 2009 semi-finals , , Tokyo, Japan , , Decision (unanimous) , , 3 , , 2:00 , , 2-0-0 , - bgcolor="CCFFCC" , 2009-08-23 , , Win , , align=left,

, , Shoot Boxing Girls Tournament 2009 first round , , Tokyo, Japan , , Decision (unanimous) , , 3 , , 2:00 , , 1-0-0 , - , colspan=9 , ''Legend'':

Championships and accomplishments

Mixed martial arts

* Deep Jewels Atomweight Champion (one time) *Smackgirl-F The Next Cinderella Tournament 2007 Lightweight winner *Valkyrie Featherweight Tournament winner *Valkyrie Featherweight Champion *

MMAJunkie.com MMA Junkie is a news website that covers the sport of mixed martial arts (MMA). It was founded in 2006, and is owned by Gannett Company since 2011. The site and its content have been featured in ''Time (magazine), Time'' magazine'', ''ESPN The Ma ...

** 2016 May Fight of the Month vs.

Shoot boxing

*2009 Shoot Boxing Girls S-Cup runner-up *2012 Shoot Boxing Girls S-Cup runner-up

References

External links

*
Profile
at Fightergirls.com

at shoot boxing
Official blog
{{DEFAULTSORT:Yamaguchi, Mei 1983 births Strawweight mixed martial artists Atomweight mixed martial artists Living people Japanese female mixed martial artists Mixed martial artists utilizing karate Mixed martial artists utilizing shootboxing Mixed martial artists utilizing wrestling Mixed martial artists utilizing Brazilian jiu-jitsu Japanese female karateka Japanese female kickboxers Female Brazilian jiu-jitsu practitioners Japanese practitioners of Brazilian jiu-jitsu People awarded a black belt in Brazilian jiu-jitsu Sportspeople from Tokyo