Hayato Sakurai

K-1 - Dynamite!! Power of Courage 2010 features a heavyweight championship bout between Alistair Overeem and Todd Duffee and a featherweight championship bout between Bibiano Fernandes and Hiroyuki Takaya. It was held before 26,729 fans at the Saitama Super arena on 31st December 2010.

DREAM.14 event took place on May 29, 2010, at Saitama Super Arena in Saitama, Japan, featuring Nick Diaz against Hayato "Mach" Sakurai in a welterweight non-title main event. Diaz enters on a seven-fight win streak, fresh off a TKO victory over Marius Žaromskis to claim the Strikeforce Welterweight Championship in January 2010. Sakurai, the DREAM Welterweight Champion, aims to rebound from a submission loss to Akihiro Gono in December 2009, following his 2009 Welterweight Grand Prix win. The card also includes Ralek Gracie vs. Kazushi Sakuraba and Hiroyuki Takaya vs. Joachim Hansen.

Rizin World Grand-Prix 2016: Final Round was a mixed martial arts event held by the Rizin Fighting Federation on December 31, 2016 at the Saitama Super Arena in Saitama, Japan.

Dynamite!! 2009 was a mixed martial arts and kickboxing events promoted by FEG, held in the Saitama Super Arena in Saitama, Japan on December 31, 2009. The event included bouts that encompass the DREAM, Sengoku Raiden Championship, K-1, and K-1 World MAX banners. The event had the conclusion of the U18 K-1 KOSHIEN 62 kg Class Tournament. The Final Four, as decided from eight participants at K-1 World MAX 2009 World Championship Tournament Final in October, faced off in a one-night tournament to decide the K-1 KOSHIEN 2009 Champion. Also, the conclusion of the DREAM Super Hulk tournament was held.

Dynamite!! 2008 was the annual kickboxing and mixed martial arts event held on December 31, 2008, at the Saitama Super Arena in Saitama, Japan. It featured eleven DREAM mixed martial arts rules fights in a variety of weight classes, four K-1 rules fights, and the inaugural K-1 KOSHIEN Under 18 high school tournament.

Dream.1 Light Weight Grandprix 2008 1st Round was the inaugural event of the mixed martial arts promotion, Dream. It took place on Saturday, on March 15, 2008 at the Saitama Super Arena in Saitama City, Japan. The event featured the first seven tournament bouts of the 2008 Dream Lightweight Grand Prix, fought at 70 kilograms (154 lb), along with a trio of open-weight fights. The evening's main event was a match featuring last year's Hero's Middleweight Champion, J.Z. Calvancanti of Brazil and Japanese judoka Shinya Aoki. All bouts were fought under Dream mixed martial arts rules, with a 10 min first and 5 min second round. It attracted a sellout crowd of 19,120 and was broadcast live across Japan on the TBS television network.

Yarennoka! took place on December 31, 2007, at Saitama Super Arena in Tokyo, Japan, promoted by the Yarennoka! Executive Committee, former Pride Fighting Championships executives, in association with Fighting and Entertainment Group, DEEP, and M-1 Global. The main event features Fedor Emelianenko, former Pride Heavyweight Champion, facing K-1’s Hong-Man Choi, billed as “Fedor Returns” on HDNet and SKY Perfect. Emelianenko enters after a submission win over Mark Hunt at Pride Shockwave 2006, while Choi comes off a K-1 Grand Prix loss. Key undercard bouts include Shinya Aoki vs. Bu-Kyung Jung, with Aoki fresh off a TKO over Akira Kikuchi, and Kazuo Misaki vs. Yoshihiro Akiyama, pitting Pride and Hero’s Grand Prix champions. It’s a farewell to Pride fans post-UFC acquisition, inspiring the creation of DREAM.

DREAM.8 took place on April 5, 2009, at Nippon Gaishi Hall in Nagoya, Japan, promoted by Fighting and Entertainment Group’s DREAM. The main event features Hayato "Mach" Sakurai facing Shinya Aoki in a welterweight Grand Prix opening round bout, with Sakurai coming off a TKO win over Kuniyoshi Hironaka at DREAM.6 and Aoki fresh from a submission victory over David Gardner at DREAM.7. Other welterweight Grand Prix matchups include Marius Žaromskis vs. Seichi Ikemoto, Jason High vs. Yuya Shirai, and Andre Galvão vs. John Alessio. Additional bouts showcase Sergei Kharitonov vs. Jeff Monson in a heavyweight clash and Riki Fukuda vs. Murilo Rua.

Pride 33: The Second Coming was a mixed martial arts event held by Pride Fighting Championships on February 24, 2007 at the Thomas & Mack Center in Las Vegas, Nevada.

Pride Bushido 12 also known as Pride Bushido Survival 2nd Round was a mixed martial arts event held by Pride Fighting Championships. It took place on August 26, 2006, at the Nagoya Rainbow Hall.

UFC 36: Worlds Collide was a mixed martial arts event held by the Ultimate Fighting Championship at the MGM Grand Arena on the Las Vegas Strip in Paradise, Nevada on March 22, 2002. The main event was a Heavyweight Championship Bout between Josh Barnett and the holder, Randy Couture.

DREAM.10 took place on July 20, 2009, at Saitama Super Arena in Saitama, Japan, promoted by Fighting and Entertainment Group’s DREAM. Key bouts include Paulo Filho vs. Melvin Manhoef in a middleweight clash, Jesse Taylor vs. Dong Sik Yoon, and a lightweight superfight between Katsunori Kikuno and Andre Amado. The card also features Vitor Ribeiro vs. Jason High and a featherweight bout with Joe Warren vs. Norifumi "Kid" Yamamoto.

Pride Shockwave 2003 (Otoko Matsuri in Japanese) was a mixed martial arts event held by the Pride Fighting Championships. Gary Goodridge announced he would retire from Pride. It took place at the Saitama Super Arena in Saitama, Japan on December 31, 2003.

Pride Bushido 4 was a mixed martial arts event held by the Pride Fighting Championships. It took place at the Nagoya Rainbow Hall in Nagoya, Japan on July 19, 2004. The fight card was highlighted by three fights between the Brazilian Top Team and Team Japan.

DREAM.6 took place on September 23, 2008, at Saitama Super Arena in Saitama, Japan, promoted by Fighting and Entertainment Group’s DREAM. The main event features Gegard Mousasi facing Ronaldo Souza in the Middleweight Grand Prix final to crown the first DREAM Middleweight Champion, with Mousasi advancing after a decision win over Melvin Manhoef and Souza submitting Zelg Galešić at DREAM.4. Other key bouts include Shinya Aoki vs. Todd Moore in a lightweight clash, Yoshihiro Akiyama vs. Masanori Tonooka, and Mirko Cro Cop vs. Alistair Overeem, which ends in a no-contest due to a knee strike. Additional fights showcase Hayato "Mach" Sakurai vs. Kuniyoshi Hironaka and Atsushi Yamamoto vs. Hideo Tokoro.

Pride Bushido 11, also promoted as Pride Bushido Survival in North America, was a mixed martial arts event held by the Pride Fighting Championships. It took place at the Saitama Super Arena in Saitama, Japan on June 4, 2006.

Pride Shockwave 2005 was a mixed martial arts event held by the Pride Fighting Championships at the Saitama Super Arena in Saitama, Japan on December 31, 2005. In Japan, the event was called "Otoko Matsuri 2005 – Itadaki" (Itadaki means victory) The event concluded the Pride Lightweight (73 kg, 161 lb) and Welterweight (83 kg, 183 lb) tournaments of 2005. Takanori Gomi won the Lightweight tournament by knocking out Hayato Sakurai. Dan Henderson won the Welterweight tournament by defeating Murilo Bustamante via split decision. Wanderlei Silva retained his Middleweight Champion title by defeating Ricardo Arona via split decision.

Pride Bushido 9 was a mixed martial arts event held by Pride Fighting Championships. This event held the quarterfinal and semifinal rounds of the first ever Welterweight tournament and Lightweight tournament. It took place at the Ariake Coliseum in Tokyo, Japan on September 25, 2005. Under BUSHIDO rules, matches are 2 rounds only.

Pride Bushido 2 was a mixed martial arts event held by the Pride Fighting Championships. It took place at the Yokohama Arena in Yokohama, Japan on February 15, 2004.

Pride Bushido 5 was a mixed martial arts event held by Pride Fighting Championships. It took place at the Osaka Castle Hall in Osaka, Japan on October 14, 2004. Under BUSHIDO rules, matches are 2 rounds only.

Pride Bushido 7 was a mixed martial arts event held by Pride Fighting Championships. It took place at the Differ Ariake in Tokyo, Japan on May 22, 2005.

Shooto: 10th Anniversary Event[6] was an event held on May 29, 1999, at The Yokohama Cultural Gymnasium in Yokohama, Kanagawa, Japan.