Shūichirō Katsumura

is a Japanese former mixed martial artist and professional wrestler who currently competes for Ganbare Pro-Wrestling, where he was a Spirit of Ganbare World Openweight Champion and Spirit of Ganbare World Tag Team Champion. He competed in the Flyweight, Bantamweight and Featherweight divisions. Katsumura is credited in popularizing the "Ninja Choke" submission and is the current owner of ZST.

Personal life After graduating from university, he worked as an employee at a child care facility in Kamakura while continuing his martial arts training. This is where his nickname "Real Tiger Mask" comes from.

Mixed martial arts record Loss

Koetsu Okazaki TKO (Punches) Shooto: Shooto Tradition 2011

Tokyo, Japan Loss

Darren Uyenoyama TKO (Punches) Shooto: The Way of Shooto 5: Like a Tiger, Like a Dragon

Tokyo, Japan Win

Masakatsu Ueda Submission (Ninja Choke) Shooto: The Way of Shooto 2: Like a Tiger, Like a Dragon

Tokyo, Japan Win

So Tazawa Submission (D'Arce Choke) Shooto: Revolutionary Exchanges 3

Tokyo, Japan Win

Hiroyuki Yamashiro Submission (Twister) Zst: Zst 20

Tokyo, Japan Loss

Alexandre Franca Nogueira KO (Punch) K-1 HERO's: Middleweight Tournament Opening Round

Yokohama, Japan Loss

Katsuhiko Nagata TKO (Punches) K-1: Premium 2006 Dynamite!!

Osaka, Japan Draw

Kentaro Imaizumi Draw Zst: Zst 11

Tokyo, Japan Win

Artemij Sitenkov Submission (Choke) Shooto Lithuania: Bushido

Vilnius, Lithuania Draw

Kenichi Osawa Draw Zst: Zst 9

Tokyo, Japan Win

Kit Kieu Submission (Armbar) Zst: Zst 8

Tokyo, Japan Win

Sergej Juskevic Technical Submission (Omoplata) Zst: Battle Hazard 2

Tokyo, Japan Loss

Hideo Tokoro Technical Submission (Guillotine Choke) Zst: Grand Prix 2 Opening Round

Tokyo, Japan Loss

Marcos Galvao Decision (Unanimous) Shooto 2004: 1/24 in Korakuen Hall

Tokyo, Japan Win

Eugenij Konkov Submission (Rear-Naked Choke) Shooto: Wanna Shooto 2003

Tokyo, Japan Loss

Kentaro Imaizumi Decision (Unanimous) Shooto: 2/23 in Korakuen Hall

Tokyo, Japan Win

Alfonso Alcarez Technical Submission (Triangle Choke) Shooto: Treasure Hunt 11

Tokyo, Japan Draw

Kentaro Imaizumi Draw Shooto: Wanna Shooto 2002

Setagaya, Tokyo, Japan Win

Ryan Diaz Decision (Unanimous) Shooto: Wanna Shooto 2001

Setagaya, Tokyo, Japan Loss

Hiroaki Yoshioka Submission (Armbar) Shooto: R.E.A.D. 7

Setagaya, Tokyo, Japan Win

Takeyasu Hirono TKO (Cut) Shooto: R.E.A.D. 4

Setagaya, Tokyo, Japan Loss

Mamoru Yamaguchi Decision (Unanimous) Shooto: Renaxis 2

Tokyo, Japan Win

Masaki Nishizawa Decision (Unanimous) Shooto: Gig '99

Tokyo, Japan Championships and accomplishments Mixed martial arts

Shooto Shooto Featherweight Championship (1 time) All Japan Amateur Shooto Featherweight Champion tournament winner (1998)

Submission wrestling Sambo Command Sambo 60kg class champion (1997)

Professional wrestling DDT Pro-Wrestling GWC 6-Man Tag Team Championship (2 times) – with Moehiko Harumisawa and Shu Sakurai (2) Independent World Junior Heavyweight Championship (1 time) Ganbare☆Pro-Wrestling Spirit of Ganbare World Openweight Championship (1 time) Spirit of Ganbare World Tag Team Championship (1 time) – with Takuya Wada Theater Pro-Wrestling Fūryūjin Tag Team Championship (1 time) – with Sho Karasawa VKF Pro-Wrestling VKF King of Wrestle Naniwa Champion (1 time)