Included will be a full six title fights, including the debut of Ryan Bader (31-8), who will face Aleksandr Soldatkin (18-4) for the promotion’s heavyweight title. Bader, a former Bellator double champ at light heavyweight and heavyweight, will be facing one of the toughest heavyweights outside the UFC, with Soldatkin’s lone loss since 2019 being a DQ for an illegal knee on the Contender Series. Soldatkin is 3-0 under the RIZIN banner to date, and won the promotion’s heavyweight grand prix in September.

Razhabali Shaidulloev (16-0), the promotion’s undefeated featherweight champ, will face Mikuru Asakura (19-5), brother of UFC flyweight title challenger and ex-RIZIN champ Kai Asakura, in the night’s main event. Roberto “Satoshi” de Souza (20-3), meanwhile, will be looking to make the sixth defense of his lightweight title when he takes on Shunta Nomura (10-2).

Women’s super atomweight gold will be on the line when Seika Izawa (17-0), who defended her title earlier this month at RIZIN Landmark 12, faces off against the popular Rena Kubota (15-5). UFC alum Naoki Inoue (20-4) will put his bantamweight belt on the line against former Bellator MMA motormouth Danny Sabatello (16-4-1), while a flyweight title fight sees former Ultimate Fighter hopeful Hiromasa Ougikubo (29-8-2) take on Yuki Motoya (39-14) for the vacant RIZIN 125lb strap.

In a final fight announced on Sunday via press release, Yutaka Saito (21-9-2) faces kickboxer Ren Sugiyama (2-2) in featherweight action.

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Two title fights, the heavyweight world grand prix final, and the second round of the flyweight grand prix made RIZIN 51 must-see TV for fight fans (and if we’re being honest, vastly superior on paper to UFC Perth, which preceded it).

In the main event, lightweight champion Roberto Satoshi Souza looked to defend his title against Yoshinori Horie, a one-and-done UFC alum who had found renewed success in recent years. As for the co-main event, Razhabali Shaydullaev was looking to defend his featherweight title for the first time, opposite Viktor Kolesnik.

Where to Watch RIZIN FF

RIZIN 51 takes place on Sunday, September 28, 2025 at the IG Arena in Nagoya. The card streams live on RIZIN.tv; full results can be found below. For western fight fans, the action gets underway at 10PM ET, 7PM PT on Saturday night.

RIZIN 51 Results

Main Card

Roberto Satoshi Souza def. Yoshinori Horie by submission (standing rear-naked choke), Round 1, 1:40 – for the RIZIN lightweight championship
Razhabali Shaidullaev def. Viktor Kolesnik by KO, Round 1, 0:33 – for the RIZIN featherweight championship
Hiromasa Ougikubo def. Alibek Gadzhammatov by unanimous decision – Flyweight World Grand Prix Second Round
Yuki Motoya def. Makoto “Shinryu” by unanimous decision – Flyweight World Grand Prix Second Round
Erson Yamamoto def. Yuki Ito by unanimous decision – Flyweight World Grand Prix Reserve Bout

Intermission

Aleksandr Soldatkin def. Marek Samociuk by unanimous decision – Heavyweight World Grand Prix Final
Danny Sabatello def. Shoko Sato by split decision
Genji Umeno def. Ryusei Ashizawa by unanimous decision
Ryo Takagi def. Kisa Miyake by unanimous decision
Yusuke Yachi def. Bilal Haga by submission (rear-naked choke), Round 2, 2:09
Hiroaki Suzuki def. Yuele Huang by split decision
Daichi Tomizawa def. Joe Hiramoto by split decision
Thiatou Bambilor def. Kosuke Kindaichi by unanimous decision
Takahiro Okuyama def. Tetsuya Yamato by submission (arm-bar), Round 1

Opening Card

Street Bob Kousuke def. Shogo Ota by unanimous decision – RIZIN MMA Special Rules
Kuushi Ishizaka def. Mahiro Yamaki by unanimous decision – RIZIN MMA Special Rules
Daisuke Kobayashi def. Syuto Sato by unanimous decision – RIZIN MMA Special Rules
Yuhei def. Jin Wakita by unanimous decision – RIZIN MMA Special Rules

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The card’s main event saw former featherweight champ Vugar Karamov return, taking on Shuya Kimura. UFC alum Yoshinori Horie also featured in the co-main event, while the heavyweight grand prix continued.

A bit of drama unfolded during weigh-ins, as Farphayap Grabs came in heavy for his fight against Kuta Ueno. As a result, only Ueno would be eligible to win the fight; should Grabs see his hand raised, the result would be automatically overturned to a No Contest (the same result would apply should the fight be declared a draw).

Where to Watch RIZIN Landmark 11

Saturday’s RIZIN Landmark 11 is available to stream live via RIZIN.tv. The card takes place at the Makomanai Sekisui Heim Ice Arena in Sapporo, Japan on June 14, 2025. Full results from the event can be found below.

RIZIN Landmark 11 Results

Vugar Karamov def. Shuya Kimura by unanimous decision
Yoshinori Horie def. Yamato Nishikawa by TKO, Round 1, 4:40
Ilkhom Nozimov def. Suguru Nii by KO (front kick), Round 1, 2:09
Hiroaki Suzuki def. Sora Yamamoto by unanimous decision
Viktor Kolesnik def. Sasuke by KO (body shot), Round 1, 4:43

Intermission

Aleksandr Soldatkin def. Prince Aounallah by unanimous decision – RIZIN World Grand Prix 2025 Heavyweight Tournament 1st Round
Joji Goto def. Jinnosuke Kashimura by unanimous decision
Sina Karimian def. Hidetaka Arato by unanimous decision
Machi def. Salt by unanimous decision
Taichi Nakajima def. Coro by TKO (punches), Round 1, 1:17
Tatsuya Ando def. Magerram Gasanzade by submission (rear-naked choke), Round 1, 3:33
Kuto Ueno def. Farphayap Grabs by unanimous decision – Kickboxing
Raiki Endo def. Zhaxibading by unanimous decision
Yuya Uzawa def. Toshizou by unanimous decision – Kickboxing
Kanata Ueno def. Kensei Yamakawa by unanimous decision

Opening Ceremony

Suguru Hayasaka def. Arashi Suzuki by submission (ankle hold), Round 1, 3:41
Yukito Morinaga def. Daiki Kobayashi by submission (arm-triangle), Round 1, 0:53
Shuto Hayashi def. Kyohei Nishijima by unanimous decision
Takashi Noto def. Yuuki Narita by submission (arm-bar), Round 2, 4:50

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