[4] Sugiyama participated in the Japan Open 2007 Vale Tudo Real Fighting Karate-do Championship Series, placing second in the general category for women,[3] being defeated by Saori Ishioka.
In 2008, she was the winner of the Japan Open 2008 Vale Tudo Real Fighting Karate-do Championship Series 57 kg.
She debuted on November 16, 2008 (2008-11-16) at Jewels 1st Ring, defeating Harumi with a rear naked choke submission.
[7] At Jewels 3rd Ring on May 16, 2009 (2009-05-16), Sugiyama defeated Norwegian fighter Celine Haga by unanimous decision.
[10] 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 September 13, 2009 (2009-09-13).
[11] Sugiyama rebounded back with a unanimous decision victory over Yukiko Ozeki at Jewels 6th Ring on December 11, 2009 (2009-12-11).
[13] Sugiyama was announced for Jewels 9th Ring in a shoot boxing match against Mongolian Esui,[14] but she suffered a broken collar bone and a dislocated shoulder during training, which forced her to withdraw from the event.
[15][16] Returning after her injury, Sugiyama faced Esui in a MMA bout at Jewels 11th Ring on December 17, 2010 (2010-12-17).
[17][18] Sugiyama was scheduled to face Mayumi "Super Benkei" Aoki at Jewels 12th Ring on March 11, 2011 (2011-03-11) in Tokyo, Japan, and planned to travel to Australia for one year to study after the fight.
[47] 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.
[48] Sugiyama won the fight by technical submission, forcing her opponent's corner to throw in the towel, as Raika refused to tap.
[51] Sugiyama extended her winning streak to four, after beating Satsuki Kodama by an armbar at Deep Jewels 17.
[63] Sugiyama faced Mikiko Shimizu in the Deep-Jewels Flyweight Grand Prix quarterfinal bout at Deep Jewels 36 on March 12, 2022.
[67] 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.