Shizuka Sugiyama

, occasionally nicknamed is an American-born Japanese female mixed martial artist. She previously fought in the MMA promotion Jewels and now competes for Deep.

Background Sugiyama was born on in New York City, New York, United States. Sugiyama has an older brother.

Shortly before her professional debut in MMA, she had a grappling match and was defeated by Hitomi Sakamoto.

Mixed martial arts career JEWELS She debuted on at Jewels 1st Ring, defeating Harumi with a rear naked choke submission. She would win her next fight against Shiho by TKO on . At Jewels 3rd Ring on , Sugiyama defeated Norwegian fighter Celine Haga by unanimous decision. In another dominant performance, Sugiyama defeated Mika Harigai by unanimous decision on .

Making her debut with the Shoot boxing promotion, Sugiyama once again faced Hitomi Sakamoto, who had defeated Sugiyama in a grappling match. This time, Sugiyama defeated Sakamoto by decision. Sugiyama's first loss came against German fighter Alexandra Sanchez in the opening round of the 2009 Jewels Rough Stone Grand Prix 60 kg on .

Sugiyama rebounded back with a unanimous decision victory over Yukiko Ozeki at Jewels 6th Ring on . At Jewels 7th Ring on , Miki Morifuji defeated Sugiyama by unanimous decision.

Sugiyama was announced for Jewels 9th Ring in a shoot boxing match against Mongolian Esui, but she suffered a broken collar bone and a dislocated shoulder during training, which forced her to withdraw from the event.

Returning after her injury, Sugiyama faced Esui in a MMA bout at Jewels 11th Ring on . Esui defeated Sugiyama by TKO (corner stoppage) early in the second round.

Sugiyama was scheduled to face Mayumi "Super Benkei" Aoki at Jewels 12th Ring on in Tokyo, Japan, and planned to travel to Australia for one year to study after the fight. However, the event was cancelled after the Tōhoku earthquake and tsunami earlier in the day.

Sugiyama returned to Jewels to face Megumi Yabushita at Jewels 20th Ring on . She defeated Yabushita by split decision.

Sugiyama faced Yurika Tanaka at Jewels 21st Ring on . She defeated Tanaka by TKO in the second round.

Sugiyama was set to face Roxanne Modafferi at Jewels 22nd Ring on . However, Modafferi suffered a neck injury in training and withdrew from the fight on December 13.

Sugiyama next faced Sung Eun Kim at Jewels 23rd Ring on . She won the fight by TKO in the first round.

DEEP JEWELS On , Sugiyama made her Deep debut against Chisa Yonezawa at Deep: Tokyo Impact - Lightweight GP 2013 Semifinal. She defeated Yonezawa by TKO in the first round.

Sugiyama next faced Ji Yeon Kim at Deep: Cage Impact 2013 on . The fight ended in a majority draw after two rounds.

In her third appearance with DEEP, Sugiyama was scheduled to fight Mizuho Sato at Deep-Jewels 3. She beat Sato by a first-round TKO, after the ringside doctor was forced to stop the bout.

Sugiyama was scheduled to fight Takayo Hashi at Deep-Jewels 4 for the inaugural middleweight title. Hashi won the fight by TKO, near the end of the third round.

Sugiyama was scheduled to fight Yurika Nakakura at Deep Jewels 6. She won the fight by unanimous decision.

At Deep - Dream Impact 2014: Omisoka Special, Sugiyama was scheduled to fight the multiple-time World Boxing Council title challenger Emiko Raika in the latter's sophomore MMA appearance. Sugiyama won the fight by technical submission, forcing her opponent's corner to throw in the towel, as Raika refused to tap.

Sugiyama was next scheduled to fight Yukinari Nabekawa at Deep-Jewels 15. She won the fight by split decision.

Sugiyama extended her winning streak to four, after beating Satsuki Kodama by an armbar at Deep Jewels 17.

Shizuka was scheduled to make her RIZIN debut at the Rizin World Grand Prix 2017: 2nd Round event, being scheduled to fight Kana Watanabe. Watanabe won the fight by a unanimous decision.

Returning to DEEP, Sugiyama was scheduled to fight Sachiko Fujimori at Deep Jewels 20. Sugiyama won the fight by unanimous decision.

Sugiyama was scheduled to fight a rematch with Kana Watanabe Rizin - Heisei's Last Yarennoka!. Watanabe convincingly won the rematch, knocking Sugiyama out after just eleven seconds.

In her first fight outside of Japan, Sugiyama was scheduled to fight Chan-Mi Jeon at Double G FC 02. She won the fight by unanimous decision.

Sugiyama once again returned to DEEP, as she was scheduled to fight Asami Nakai at Deep Jewels 25. Sugiyama won the fight by an armbar.

Sugiyama was scheduled to fight Kano Kagaya at Deep-Jewels 29, in Kagaya's sophomore MMA appearance. Kagaya later withdrew due to COVID-19 and was replaced by Mika Arai. She won the fight by a technical submission, due to an armbar.

Sugiyama was scheduled to fight at DEEP's 20th anniversary event, against Aoi Kuriyama. Sugiyama won by a first-round TKO.

Deep-Jewels Flyweight Grand Prix Sugiyama faced Mikiko Shimizu in the Deep-Jewels Flyweight Grand Prix quarterfinal bout at Deep Jewels 36 on March 12, 2022. She won the bout via split decision.

On May 8, 2022, she was scheduled to face Aoi Kuriyama in the DEEP JEWELS Flyweight Grand Prix semi-final held at Deep Jewels 37. However, Kuriyama missed weight, resulting in Sugiyama receiving a bye to the final. In the final on the same day, she faced Rin Nakai, losing via armbar at the end of the first round.

PANCRASE Sugiyama made her PANCRASE debut against Emiko Raika at PANCRASE 341 on . She won the fight by unanimous decision.

On July 21, 2024, she faced the champion Honoka Shigeta in the women's flyweight title match at PANCRASE 346 and won by submission in the first round with a ninja choke. She became the fourth Queen of Pancrase in the flyweight division.

On May 31, 2026, she announced her retirement from the sport.

Outside mixed martial arts Sugiyama posed for a photobook published by Kamipro

Mixed martial arts record Win

Ayane Wada Decision (unanimous) Pancrase 361

Yokohama, Japan Loss

Fumika Watanabe KO (punch) Pancrase 352

Yokohama, Japan Win

Honoka Shigeta Technical Submission (ninja choke) Pancrase 346

Tokyo, Japan Win

Emiko Raika Decision (unanimous) Pancrase 341

Tokyo, Japan Loss

Rin Nakai Technical Submission (armbar) Deep Jewels 37

Tokyo, Japan Win

Mikiko Shimizu Decision (split) Deep Jewels 36

Tokyo, Japan Win

Aoi Kuriyama TKO (punches) DEEP 100 Impact

Tokyo, Japan Win

Mika Arai Technical Submission (armbar) Deep Jewels 29

Tokyo, Japan Win

Asami Nakai Submission (armbar) Deep Jewels 25

Tokyo, Japan Win

Jeon Chan-mi Decision (unanimous) Double G FC 2

Seoul, South Korea Loss

Kana Watanabe TKO (punch) Rizin: Heisei's Last Yarennoka!

Saitama, Japan Win

Sachiko Fujimori Decision (unanimous) Deep Jewels 20

Tokyo, Japan Loss

Kana Watanabe Decision (unanimous) Rizin World Grand Prix 2017: 2nd Round

Saitama, Japan Win

Satsuki Kodama Technical Submission (armbar) Deep Jewels 17

Tokyo, Japan Win

Yukinari Nabekawa Decision (split) Deep Jewels 15

Tokyo, Japan Win

Emiko Raika Technical Submission (armbar) DEEP Dream Impact 2014: Omisoka Special

Saitama, Japan Win

Yurika Nakakura Decision (unanimous) Deep Jewels 6

Tokyo, Japan Loss

Takayo Hashi TKO (punches) Deep Jewels 4

Tokyo, Japan Win

Mizuho Sato TKO (doctor stoppage) Deep Jewels 3

Tokyo, Japan Draw

Kim Ji-yeon Draw (majority) Deep: Cage Impact 2013

Tokyo, Japan Win

Chisa Yonezawa TKO (punches) DEEP Tokyo Impact: Lightweight GP 2013 Semifinal

Tokyo, Japan Win

Kim Sung-eun TKO (punches) Jewels 23rd Ring

Tokyo, Japan Win

Yurika Tanaka TKO (punches) Jewels 21st Ring

Tokyo, Japan Win

Megumi Yabushita Decision (split) Jewels 20th Ring

Tokyo, Japan Loss

Erdenebilegiin Bolormaa TKO (corner stoppage) Jewels 11th Ring

Tokyo, Japan Loss

Miki Morifuji Decision (unanimous) Jewels 7th Ring

Tokyo, Japan Win

Yukiko Ozeki Decision (unanimous) Jewels 6th Ring

Tokyo, Japan Loss

Alexandra Sanchez Decision (unanimous) Jewels 5th Ring

Tokyo, Japan Win

Hitomi Sakamoto Decision (unanimous) Shoot Boxing Girls Tournament 2009

Tokyo, Japan Win

Mika Harigai Decision (unanimous) Jewels 4th Ring

Tokyo, Japan Win

Celine Haga Decision (unanimous) Jewels 3rd Ring

Tokyo, Japan Win

Shiho TKO (knees to the body and punches) Jewels 2nd Ring

Tokyo, Japan Win

Harumi Submission (rear-naked choke) Jewels 1st Ring

Tokyo, Japan Submission grappling 1 Fight, 0 Wins, 1 Loss, 0 Draws Result Record Opponent Method Event Date Round Time Location Notes Loss0-1-0 Hitomi Sakamoto Points 2-2, advantage 0-2 Gi grappling 2008 11:24 Tokyo, Japan Queen tournament beginner -58 kg semi-finals

Legend:

Championships and accomplishments Japan Open 2007 Vale Tudo Real Fighting Karate-do Championship Series general category women runner-up Japan Open 2008 Vale Tudo Real Fighting Karate-do Championship Series 57 kg winner Japan Open 2009 Vale Tudo Real Fighting Karate-do Championship Series 57 kg winner