Yasuko Mogi

is a Japanese female mixed martial arts (MMA) fighter. Her nicknames are

Mogi has participated in MMA promotions Smackgirl, Shooto and Valkyrie. She formerly worked as Valkyrie's producer (matchmaker)

Background Mogi was born on in Nerima, Tokyo, Japan.

Mixed martial arts career Mogi made her professional debut in MMA on at Smackgirl-F 2005: I'll do it this year! Smack F Festival during The Next Cinderella Tournament 2005 portion of the event, submitting Gravure idol, actress, and tarento Ai Fukaya with an armbar.

On , Mogi debuted with the Shooto promotion at G-Shooto Plus 02 and defeated Masako Yoshida by unanimous decision.

Returning to Smackgirl at the event Smackgirl 2005: Lightweight Anniversary, Mogi suffered her first defeat at the hands of kickboxing specialist Hisae Watanabe via TKO (punches) on .

Mogi was defeated by Taeko Nagamine via split decision at Smackgirl 2006: Queen's Triumphant Return on .

Mogi suffered her third straight loss on at Smackgirl: The Next Cinderella Tournament 2007 First Stage, where she was defeated by Akiko Naito via another split decision.

On , Mogi defeated Ayumi Takeuchi by submission (rear naked choke) at Shooto 6/26 in Kitazawa Town Hall.

In a rematch from their 2005 bout, Mogi fought against Masako Yoshida at Shooto Spirit 2009, losing for the third time by split decision on .

Debuting as a fighter in Valkyrie, Mogi was defeated by TKO (punches) by Misaki Takimoto at Valkyrie 03 on .

On at Valkyrie 05, Mogi was defeated by Akiko Naito, this time by unanimous decision.

Mogi competed for the first time in more than two and a half years when she faced Keiko Tomita at Jewels 22nd Ring on in Tokyo. Mogi missed weight for the fight and was defeated by TKO early in the second round.

On , Mogi faced Takumi Umehara at Jewels 23rd Ring. She was defeated by unanimous decision.

Mogi next faced Yuko Oya at Deep Jewels 1 on . She was defeated by split decision.

Submission grappling career

Mogi debuted in submission grappling in 1998 in a Brazilian Jiu-Jitsu tournament.

Mixed martial arts record Loss

Yuko Oya Decision (split) Deep Jewels 1

Kabukicho, Tokyo, Japan Loss

Takumi Umehara Decision (unanimous) Jewels 23rd Ring

Kabukicho, Tokyo, Japan Loss

Keiko Tomita TKO (punches) Jewels 22nd Ring

Ariake, Tokyo, Japan Loss

Akiko Naito Decision (unanimous) Valkyrie 05

Ariake, Tokyo, Japan Loss

Misaki Takimoto TKO (punches) Valkyrie 03

Ariake, Tokyo, Japan Loss

Masako Yoshida Decision (split) Shooto: Spirit 2009

Sendai, Miyagi, Japan Win

Ayumi Takeuchi Submission (rear-naked choke) Shooto: 6/26 in Kitazawa Town Hall

Setagaya, Tokyo, Japan Loss

Akiko Naito Decision (split) Smackgirl: The Next Cinderella Tournament 2007 First Stage

Kabukicho, Tokyo, Japan Loss

Taeko Nagamine Decision (split) Smackgirl 2006: Queen's Triumphant Return

Taisho-ku, Osaka, Japan Loss

Hisae Watanabe TKO (punches) Smackgirl 2005: Lightweight Anniversary

Bunkyo, Tokyo, Japan Win

Masako Yoshida Decision (unanimous) G-Shooto: Plus02

Setagaya, Tokyo, Japan Win

Ai Fukaya Submission (armbar) Smackgirl-F 2005: I'll do it this year! Smack F Festival

Setagaya, Tokyo, Japan Submission grappling Loss Kyoko Abe Gi Grappling 2008 Tokyo, Japan Decision (points 0-0, advantages 0–1)

Win Yuko Yamazaki Smackgirl Grappling Queen Tournament 2007 Setagaya, Tokyo, Japan Decision (points 4–3)

Loss Kyoko Takabayashi Smackgirl Grappling Queen Tournament 2007 Setagaya, Tokyo, Japan Submission (rear-naked choke)

Win Saori Ishioka Smackgirl Grappling Queen Tournament 2007 Setagaya, Tokyo, Japan Decision (points 2–0)

Loss Sayaka Shioda ADCC Japan Trial final qualifier Tokyo, Japan Submission (guillotine choke)

Win Mei Yamaguchi ADCC Japan Trial final qualifier Tokyo, Japan Decision (points 6–2)

Win Yuko Yamazaki G-Shooto Plus 01 Tokyo, Japan Submission (armbar)

Win Yasuko Tamada Smackgirl F: 5-tsuki Byo o But Tobase! Natsu mo Chikai zo Sumakku F Sai Tokyo, Japan Decision (unanimous)

Win Yuki Sugiuchi Smackgirl F: 5-tsuki Byo o But Tobase! Natsu mo Chikai zo Sumakku F Sai Tokyo, Japan Decision (unanimous)

Win Asami Kodera Smackgirl F: 5-tsuki Byo o But Tobase! Natsu mo Chikai zo Sumakku F Sai Tokyo, Japan Submission (armbar)

Loss Yasuko Tamada All-Japan Shooto Grappling Championships Tokyo, Japan N/A

Loss Rie Imazawa Smackgirl Third Season-EX: Grappler's holiday Tokyo, Japan Decision (split)

Win Maiko Okado Smackgirl Third Season-EX: Grappler's holiday Tokyo, Japan Decision (split)

Championships and accomplishments 13th all-Japan amateur Shooto championship women's flyweight winner (2006) 14th all-Japan amateur Shooto championship women's flyweight winner (2007) 15th all-Japan amateur Shooto championship women's flyweight winner (2008)