# Masahiro Oishi

Masahiro Oishi Japanese: 大石真丈 (born November 29, 1968) is a Japanese mixed martial artist. He competes in the Bantamweight and Featherweight divisions.
He has competed for numerous promotions during his career, most notably Shooto, Pancrase and ZST. He is the former Shooto World Featherweight (132 lb) Champion.

## Martial arts career

Oishi made his debut in 1993, in Shooto, when he faced Yoshiaki Murai, winning a unanimous decision. He would accumulate a 7-5-3- record, but earned a title shot off of a two fight win streak over Masaki Nishizawa and Yoshinobu Ota. During Shooto: To The Top 10, he faced the reigning featherweight champion Mamoru Yamaguchi. He won the fight in the first round by submission. He defended the title versus Hisao Ikeda, before losing it to Ryota Matsune through a unanimous decision.
From there Oishi moved to ZST. He lost to Hideo Tokoro in the opening of the ZST Grand Prix, which was considered an upset at the time. He would go on to accumulate a 3–3 record in ZST, avenging his loss to Tokoro.
Moving to Cage Force, he earned a title shot by beating Paul McVeigh and Tetsu Suzuki. Facing the reigning champion Takeya Mizugaki, he would lose by way of TKO in the second round.
Moving to Pancrase he made history, by becoming the first Shooto champion to fight in Pancrase when he faced Manabu Inoue. He lost a unanimous decision. He would go on to fight for various promotions, achieving a 10-9-2 record.

## Championships and Accomplishments

* Shooto
** Shooto World Featherweight (132 lb) Championship (One time)
*** One successful title defense

## Mixed martial arts record

Professional record breakdown :
| 61 matches | 30 wins | 22 losses |
| By knockout | 4 | 8 |
| By submission | 20 | 8 |
| By decision | 6 | 6 |
| Draws | 9 | 9 |
| Res. | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
| Win | 30–22–9 | Toru Fujii | Decision (Majority) | Fighting NEXUS vol. 22 | April 4, 2021 | 2 | 5:00 | Tokyo, Japan | |
| Loss | 29–21–9 | Shunichi Shimizu | Submission (Armbar) | GLADIATOR 012 | February 23, 2020 | 2 | 4:48 | Osaka, Japan | |
| Loss | 29–20–9 | Tatsuya Karasawa | Decision (Unanimous) | Fighting NEXUS vol. 18 | November 24, 2019 | 2 | 5:00 | Tokyo, Japan | |
| Win | 29–19–9 | Sung Hoon Jung | Submission (Triangle choke) | Arzalet Fighting 5 | March 23, 2019 | 2 | 5:00 | Curitiba, Brazil | |
| Win | 28–19–9 | Yong Jae Oh | Decision (Unanimous) | Arzalet Fighting 4 | November 24, 2018 | 2 | 5:00 | Curitiba, Brazil | |
| Win | 27–19–9 | Jong Moon Bae | Submission (Guillotine choke) | Arzalet Fighting 3 | July 7, 2018 | 1 | 1:05 | Curitiba, Brazil | |
| Loss | 26–19–9 | Cleber Luciano | Submission (Rear naked choke) | Arzalet Fighting 2 | October 21, 2017 | 2 | 1:51 | Curitiba, Brazil | |
| Win | 26–18–9 | Junichi Hirata | Submission (Armbar) | GRACHAN 25 x BFC Vol. 2 | October 10, 2016 | 1 | 2:31 | Tokyo, Japan | |
| Win | 25–18–9 | Hirotaka Miyakawa | Submission (Armbar) | DEEP 75: Impact | February 27, 2016 | 1 | 1:45 | Tokyo, Japan | |
| Loss | 24–18–9 | Takeya Takemoto | Decision (Unanimous) | GRANDSLAM 3: Way of the Cage | September 12, 2015 | 2 | 5:00 | Tokyo, Japan | |
| Win | 24–17–9 | Jun Jun | Submission (armbar) | Heat: Heat 32 | June 8, 2014 | 2 | 2:36 | Tokyo, Japan | |
| Win | 23–17–9 | Takaaki Ito | Submission (rear-naked choke) | Grachan: Grachan 10 | July 15, 2013 | 1 | 4:45 | Tokyo, Japan | |
| Loss | 22–17–9 | Masakazu Imanari | Submission (toe hold) | Deep: 59 Impact | August 18, 2012 | 1 | 1:01 | Tokyo, Japan | |
| Win | 22–16–9 | Tomoaki Ueyama | Submission (armbar) | Grachan: Grachan 6 | June 16, 2012 | 1 | 1:57 | Tokyo, Japan | |
| Loss | 21–16–9 | Yuta Numakura | Decision (unanimous) | Pancrase: Progress Tour 1 | January 28, 2012 | 2 | 5:00 | Tokyo, Japan | |
| Draw | 21–15–9 | Tashiro Nishiuchi | Draw (majority) | Pancrase: Impressive Tour 9 | September 4, 2011 | 3 | 5:00 | Tokyo, Japan | |
| Loss | 21–15–8 | Abdul Guyirbegov | KO (head kick) | FEFoMP: Battle of Amur | July 16, 2011 | 1 | 2:46 | Blagoveshchensk, Russia | |
| Draw | 21–14–8 | Masaya Takita | Draw | Pancrase: Impressive Tour 1 | February 6, 2011 | 2 | 5:00 | Tokyo, Japan | |
| Win | 21–14–7 | Hirokazu Nishimura | TKO (corner stoppage) | Pancrase: Passion Tour 10 | November 3, 2010 | 2 | 3:46 | Tokyo, Japan | |
| Win | 20–14–7 | Takumi Murata | Submission (triangle choke) | Pancrase: Passion Tour 7 | August 8, 2010 | 1 | 3:34 | Tokyo, Japan | |
| Loss | 19–14–7 | Michael Mortimer | TKO (doctor stoppage) | Rize 5: Revolution | May 29, 2010 | 3 | 3:47 | Chandler, Queensland, Australia | For the Rize Bantamweight Championship |
| Loss | 19–13–7 | Manabu Inoue | Decision (unanimous) | Pancrase: Changing Tour 6 | October 25, 2009 | 3 | 5:00 | Tokyo, Japan | For the Pancrase Bantamweight Championship. |
| Loss | 19–12–7 | Gustavo Falciroli | TKO (punches) | Rize 1: Rize MMA | May 23, 2009 | 2 | 2:02 | Mansfield, Queensland, Australia | |
| Loss | 19–11–7 | Takeya Mizugaki | TKO (punches) | GCM: Cage Force 9 | December 6, 2008 | 2 | 0:57 | Tokyo, Japan | For the Cage Force Bantamweight Championship |
| Win | 19–10–7 | Tetsu Suzuki | Decision (unanimous) | GCM: Cage Force 8 | September 27, 2008 | 3 | 5:00 | Tokyo, Japan | |
| Win | 18–10–7 | Paul McVeigh | TKO (punches) | GCM: Cage Force 6 | April 5, 2008 | 2 | 3:13 | Tokyo, Japan | |
| Win | 17–10–7 | Artemij Sitenkov | Submission (triangle choke) | K-1 HERO's: HERO's Lithuania 2007 | November 10, 2007 | 2 | 1:40 | Vilnius, Vilnius County, Lithuania | |
| Win | 16–10–7 | Taiyo Nakahara | TKO (eye injury) | GCM: Cage Force 4 | September 8, 2007 | 1 | 3:55 | Tokyo, Japan | |
| Win | 15–10–7 | Wataru Inatsu | Submission (armbar) | Zst: Zst 13 | June 10, 2007 | 1 | 2:59 | Tokyo, Japan | |
| Draw | 14–10–7 | Kentaro Imaizumi | Draw | Zst: Zst 12 | February 12, 2007 | 2 | 5:00 | Tokyo, Japan | |
| Loss | 14–10–6 | Sergej Grecicho | KO (head kick) | Zst: Zst 10 | September 10, 2006 | 1 | 0:31 | Tokyo, Japan | |
| Win | 14–9–6 | Sergej Juskevic | Submission (armbar) | Shooto Lithuania: Bushido | April 23, 2006 | 1 | 2:57 | Vilnius, Vilnius County, Lithuania | |
| Win | 13–9–6 | Masayuki Okude | Submission (reverse triangle choke) | Zst: Zst 8 | November 23, 2005 | 2 | 0:44 | Tokyo, Japan | |
| Win | 12–9–6 | Jin Akimoto | Technical Submission (armbar) | Shooto 2005: 7/30 in Korakuen Hall | July 30, 2005 | 1 | 3:14 | Tokyo, Japan | |
| Draw | 11–9–6 | Ryusuke Uemura | Draw | Zst: Zst 7 | May 3, 2005 | 3 | 5:00 | Tokyo, Japan | |
| Draw | 11–9–5 | Eugenij Konkov | Draw | Shooto Lithuania: Chaosas | April 7, 2005 | 0 | 0:00 | Vilnius, Vilnius County, Lithuania | |
| Loss | 11–9–4 | Remigijus Morkevicius | KO (punches) | Zst: Grand Prix 2 Final Round | January 23, 2005 | 1 | 3:13 | Tokyo, Japan | |
| Win | 11–8–4 | Hideo Tokoro | Decision (split) | Zst: Grand Prix 2 Final Round | January 23, 2005 | 3 | 3:00 | Tokyo, Japan | |
| Win | 10–8–4 | Stephen Gillinder | Submission (armbar) | Zst: Grand Prix 2 Opening Round | November 3, 2004 | 1 | 0:31 | Tokyo, Japan | |
| Loss | 9–8–4 | Jeff Curran | Technical Submission (Guillotine Choke) | Zst: Zst 6 | September 12, 2004 | 1 | 0:44 | Tokyo, Japan | |
| Win | 9–7–4 | Takahiro Uchiyama | Submission (armbar) | Zst: Zst 5 | May 5, 2004 | 1 | 4:31 | Tokyo, Japan | |
| Loss | 8–7–4 | Hideo Tokoro | Submission (armbar) | Zst: Grand Prix Opening Round | November 23, 2003 | 1 | 3:13 | Tokyo, Japan | |
| Loss | 8–6–4 | Ryota Matsune | Decision (majority) | Shooto: 8/10 in Yokohama Cultural Gymnasium | August 10, 2003 | 3 | 5:00 | Yokohama, Kanagawa, Japan | Lost the Shooto World Featherweight (132 lb) Championship |
| Draw | 8–5–4 | Hisao Ikeda | Draw | Shooto: Treasure Hunt 10 | September 16, 2002 | 3 | 5:00 | Yokohama, Kanagawa, Japan | Retained the Shooto World Featherweight (132 lb) Championship |
| Win | 8–5–3 | Mamoru Yamaguchi | Submission (triangle armbar) | Shooto: To The Top 10 | November 25, 2001 | 1 | 1:44 | Tokyo, Japan | Won the Shooto World Featherweight (132 lb) Championship |
| Win | 7–5–3 | Yoshinobu Ota | Submission (rear naked choke) | Shooto: To The Top 2 | March 2, 2001 | 2 | 2:48 | Tokyo, Japan | |
| Win | 6–5–3 | Masaki Nishizawa | TKO (punches) | Shooto: To The Top 1 | January 19, 2001 | 1 | 4:12 | Tokyo, Japan | |
| Loss | 5–5–3 | Baret Yoshida | Submission (rear naked choke) | Shooto: R.E.A.D. 5 | May 22, 2000 | 2 | 1:48 | Tokyo, Japan | |
| Draw | 5–4–3 | Hiroyuki Abe | Draw | Shooto: Renaxis 4 | September 5, 1999 | 2 | 5:00 | Tokyo, Japan | |
| Loss | 5–4–2 | Alexandre Franca Nogueira | Submission (armbar) | Shooto: Renaxis 1 | March 28, 1999 | 1 | 3:11 | Tokyo, Japan | |
| Loss | 5–3–2 | Cheyanne Padeken | KO (punches) | SB 11: SuperBrawl 11 | February 2, 1999 | 1 | 1:18 | Honolulu, Hawaii, United States | |
| Win | 5–2–2 | Kimihito Nonaka | Submission (armbar) | Shooto: Gig '98 2nd | July 18, 1998 | 2 | 1:18 | Tokyo, Japan | |
| Win | 4–2–2 | Yoshihiro Fujita | Technical Submission (kimura) | Shooto: Las Grandes Viajes 2 | March 1, 1998 | 1 | 2:40 | Tokyo, Japan | |
| Loss | 3–2–2 | Hisao Ikeda | Decision (unanimous) | Shooto: Reconquista 3 | August 27, 1997 | 2 | 5:00 | Tokyo, Japan | |
| Win | 3–1–2 | Yoshiyuki Takayama | Decision (unanimous) | Shooto: Gig | June 25, 1997 | 2 | 5:00 | Tokyo, Japan | |
| Win | 2–1–2 | Katsuhisa Akasaki | Submission (armbar) | Shooto: Let's Get Lost | October 4, 1996 | 1 | 2:12 | Tokyo, Japan | |
| Draw | 1–1–2 | Hisao Ikeda | Draw | Shooto: Vale Tudo Junction 2 | March 5, 1996 | 3 | 3:00 | Tokyo, Japan | |
| Draw | 1–1–1 | Kimihito Nonaka | Draw | Shooto: Tokyo Free Fight | November 7, 1995 | 3 | 3:00 | Tokyo, Japan | |
| Loss | 1–1 | Masato Suzuki | Submission (armbar) | Shooto: Vale Tudo Access 1 | September 26, 1994 | 2 | 0:43 | Tokyo, Japan | |
| Win | 1–0 | Yoshiaki Murai | Decision (unanimous) | Shooto: Shooto | November 25, 1993 | 3 | 3:00 | Tokyo, Japan | |