The year 2021 was the seventh year in the history of the Rizin Fighting Federation, a mixed martial arts promotion based in Japan. Rizin events are broadcast through a television agreement with Fuji Television. In North America and Europe, Rizin events are available via PPV on LIVENow.[1]
Nobuyuki Sakakibara announced that Rizin is planning to work in copromotion with new Japanese promotion MEGA.[2] [3] [4]
He also announced that they will work with Scott Coker to bring the Bellator Bantamweight World Champion Juan Archuleta in Japan to face the winner of the Rizin Bantamweight Championship bout between Kai Asakura and Kyoji Horiguchi.[5]
| Rizin Fighting Federation | ||||||
|---|---|---|---|---|---|---|
| Event | Date | Venue | Location | Attendance | ||
| 1 | Nippon Gaishi Hall | 4,558 | ||||
| 2 | Tokyo Dome | 9,317 | ||||
| 3 | Maruzen Intec Arena | 4,796 | ||||
| 4 | Saitama Super Arena | 7,580 | ||||
| 5 |  Tokyo, Japan | |||||
| 6 | Pia Arena | 4,866 | ||||
| 7 | Okinawa Arena | |||||
| 8 | World Memorial Hall | |||||
| 9 | Saitama Super Arena | 22, 499 |
On March 26, 2021, it was announced that a Bantamweight Grand Prix will be held during the year: beginning in Rizin 28 – Tokyo and ending in the Rizin New Year's Eve event.[6] The winner will receive ¥10,000,000 and the second place will net ¥5,000,000.
| Promotion: | Rizin Fighting Federation |
| Rizin 27 – Nagoya | |
| Date: | March 21, 2021 |
| Venue: | Nippon Gaishi Hall |
| Attendance: | 4,558[7] |
| Previousevent: | Rizin 26 |
Rizin 27 – Nagoya was initially scheduled to be a combat sport event held by Rizin Fighting Federation on March 14, 2021, at the Tokyo Dome in Tokyo, Japan.[8] [9] However, in February it was announced that the event was postponed to take place at Nippon Gaishi Hall in Nagoya, Japan, on March 21, 2021.[10]
A Rizin Women's Super Atomweight Championship rematch bout between current two-time champion Ayaka Hamasaki and Kanna Asakura is expected to headline this event.[11] The pairing met previously at Rizin 14 on December 31, 2018, where Hamasaki won via armbar in the second round to capture the inaugural Rizin Women's Super Atomweight title.[12]
The co-main event featured a lightweight bout between the brazilian grappler Roberto de Souza and the former lightweight King of Pancrase Kazuki Tokudome.[13]
Riki Sakurai missed weight limit ahead of his fight against Riku Yoshida, Sakurai was 1.95 kilograms over the limit. The fight will proceed, Sakurai started the fight with minus 2 points and the bout was declared no contest because he win.[14]
Tsuyoshi Sudario was fined after he landed punches after the referee stops the fight, he has been fined 25 percent of his purse.[15]
| Rizin 27 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Weight Class | Method | Round | T.Time | Notes | ||||
| W.Super Atomweight 49 kg | Ayaka Hamasaki (c) | def. | Kanna Asakura | Decision (Split) | 3 | 5:00 | For the Rizin Women's Super Atomweight Championship | |
| Lightweight 71 kg |  Roberto de Souza | def. | Kazuki Tokudome | Submission (Triangle Choke) | 1 | 1:44 | ||
| Lightweight 71 kg | Koji Takeda | def. | Takasuke Kume | Decision (Unanimous) | 3 | 15:00 | ||
| Featherweight 66 kg | Kleber Koike Erbst | def. | Kazumasa Majima | Submission (Triangle Choke) | 2 | 8:02 | ||
| Heavyweight 120 kg | Tsuyoshi Sudario | def. | Kazushi Miyamoto | KO (Punches) | 1 | 0:08 | ||
| Intermission | ||||||||
| Catchweight 61 kg | Taiga | def. | Kanta Motoyama | Decision (Unanimous) | 3 | 9:00 | Kickboxing | |
| Featherweight 66 kg | Yoshinori Horie | def. | Tetsuya Seki | TKO (Punches) | 3 | 11:16 | ||
| Bantamweight 61 kg | Hiroki Yamashita | def. | Kazuma Sone | KO (Punches) | 1 | 0:27 | ||
| Bantamweight 61 kg | Shooto Watanabe | def. | Takumi Tamaru | Submission (Rear-Naked Choke) | 2 | 9:13 | ||
| Flyweight 57 kg | Yutaro Muramoto | def. | Seigo Yamamoto | KO (Punches) | 1 | 2:37 | ||
| Catchweight 53 kg | Syuto Sato | - | Masayoshi Kunimoto | Draw (Majority) | 3 | 9:00 | Kickboxing | |
| Catchweight 66 kg | Riki Sakurai | - | Riku Yoshida | No Contest (Sakurai missed weight) | 1 | 0:43 | Kickboxing | |
| Catchweight 55 kg | Ryota Naito | def. | Hiroki | Decision (Unanimous) | 3 | 9:00 | Kickboxing | |
| Flyweight 57 kg | Yuki Ito | def. | Kohei Sugiyama | TKO (Punches) | 1 | 0:33 | ||
| Promotion: | Rizin Fighting Federation |
| Rizin 28 – Tokyo | |
| Date: | June 13, 2021 |
| Venue: | Tokyo Dome |
| Attendance: | 9,317[17] |
Rizin 28 – Tokyo was a Combat sport event held by Rizin Fighting Federation on June 13, 2021, at the Tokyo Dome in Tokyo, Japan.[18]
The event featured the one time RIZIN Featherweight title challenger Mikuru Asakura who made his tenth RIZIN appearance against the former KSW Featherweight Champion Kleber Koike Erbst as the event headliner.[19]
Roberto de Souza and Tofiq Musayev battled for the inaugural Rizin Fighting Federation Lightweight Championship.[20]
This event also hosted the first half of Rizin Bantamweight Grand Prix Opening round fights.[18] [21] The event was originally scheduled to take place on May 23, however due to a State of Emergency being declared between April 25 to May 9, the event was postponed to June 13. Due to the ticketing system, the event numbers will stay as they are. This will be the first MMA event in the Tokyo Dome in 18 years and they are hoping to hold at least 50% capacity for the venue, equaling about 25,000 spectators.
RIZIN Featherweight champion Yutaka Saito fought Vugar Keramov in a non-title bout.[22]
A heavyweight bout between Tsuyoshi Sudario and Shoma Shibisai was announced for the event.[23]
RISE Welterweight champion BeyNoah made his mixed martial arts debut against Satoshi Yamasu in a 73 kg catchweight bout.[24]
| Rizin 28 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Weight Class | Method | Round | T.Time | Notes | ||||
| Featherweight 66 kg | Kleber Koike Erbst | def. | Mikuru Asakura | Technical Submission (Triangle Choke) | 2 | 1:51 | ||
| Tenshin Nasukawa | - | Koki Osaki | Time Expired | 3 | 3:00 | Special Standing Bout | ||
| Hiroya Kawabe | ||||||||
| Hideo Tokoro | ||||||||
| Intermission | ||||||||
| Lightweight 70 kg | Roberto de Souza | def. |  Tofiq Musayev | Submission (Triangle Choke) | 1 | 1:12 | For the inaugural Rizin Lightweight Championship. | |
| Bantamweight 61 kg | Kai Asakura | def. | Shooto Watanabe | TKO (Punches) | 1 | 3:22 | Rizin Bantamweight Grand Prix 2021 Opening Round | |
| Bantamweight 61 kg | Naoki Inoue | def. | Shintaro Ishiwatari | KO (Soccer Kick) | 1 | 1:58 | Rizin Bantamweight Grand Prix 2021 Opening Round | |
| Bantamweight 61 kg | Hiromasa Ougikubo | def. | Takeshi Kasugai | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix 2021 Opening Round | |
| Bantamweight 61 kg | Yuki Motoya | def. | Ryo Okada | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix 2021 Opening Round | |
| Featherweight 66 kg | Yutaka Saito (c) | def. | Vugar Keramov | Decision (Split) | 3 | 5:00 | Non-title bout. | |
| Heavyweight 120 kg | Shoma Shibisai | def. | Tsuyoshi Sudario | Submission (Rear-Naked Choke) | 3 | 1:38 | ||
| Catchweight 73 kg | Satoshi Yamasu | def. |  BeyNoah | Decision (Split) | 3 | 5:00 | ||
| Promotion: | Rizin Fighting Federation |
| Rizin 29 – Osaka | |
| Date: | June 27, 2021 |
| Venue: | Maruzen Intec Arena |
| Attendance: | 4,796[25] |
Rizin 29 – Osaka was a Combat sport event held by Rizin Fighting Federation on June 27, 2021, at the Maruzen Intec Arena in Osaka, Japan. The event was originally scheduled for May 23, but was subsequently postponed due to a state of emergency declared in response to the COVID-19 pandemic.[26]
This event is expected to host the second half of Rizin Bantamweight Grand Prix initial round fights.[27] The event will be held with 50% capacity, equaling about 5000 spectators.[28]
A four-man 60 kg kickboxing tournament was announced for this event, featuring Ryo Takahashi, Koji, Genji Umeno and Taiju Shiratori.[29]
Two additional kickboxing bouts were scheduled for the event: Seiki Ueyama was set to fight Jyosei Izumi at flyweight, while Yuma Yamahata was scheduled to fight Kiyoto Takahashi in a catchweight bout.[30]
It was announced that the Shooto Lightweight champion Yuki Kawana would fight Yusuke Yachi, while Rikuto Shirakawa would fight Jin Aoi at featherweight.[31]
Two more bouts were announced on May 28: a flyweight bout between the former Pancrase champion Daichi Kitakata and the former DEEP flyweight champion Yusaku Nakamura, as well as a flyweight kickboxing bout between the former Lumpinee and Rajadamnern champion Nadaka Yoshinari and Chikai.[32]
| Rizin 29 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Weight Class | Method | Round | T.Time | Notes | ||||
| Bantamweight 61 kg | Taiju Shiratori | def. | Koji | Decision (Unanimous) | 3 | 3:00 | Rizin KICK Tournament Final | |
| Bantamweight 61 kg | Yuto Hokamura | def. | Kuya Ito | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix 2021 Opening Round | |
| Bantamweight 61 kg | Takafumi Otsuka | def. | Hiroki Yamashita | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix 2021 Opening Round | |
| Bantamweight 61 kg | Kenta Takizawa | def. | Masakazu Imanari | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix 2021 Opening Round | |
| Bantamweight 61 kg | Alan Yamaniha | def. | Kazuma Kuramoto | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix 2021 Opening Round | |
| Lightweight 71 kg | Yusuke Yachi | def. | Yuki Kawana | Decision (Unanimous) | 3 | 5:00 | ||
| Featherweight 66 kg | Rikuto Shirakawa | def. | Jin Aoi | Decision (Unanimous) | 3 | 5:00 | ||
| Bantamweight 61 kg | Taiju Shiratori | def. | Ryo Takahashi | KO (Punches) | 1 | 1:37 | Rizin KICK Tournament Semi Final | |
| Bantamweight 61 kg | Koji | - | Genji Umeno | No Contest (Accidental Headbutt) | 1 | 0:43 | Rizin KICK Tournament Semi Final | |
| Strawweight 52 kg | Nadaka Yoshinari | def. | Chikai | TKO (Doctor Stoppage) | 1 | 3:00 | Kickboxing | |
| Flyweight 57 kg | Seiki Ueyama | def. | Jyosei Izumi | TKO (Three Knockdowns) | 2 | 1:55 | Kickboxing | |
| Catchweight | Yuma Yamahata | - | Kiyoto Takahashi | Draw (Majority) | 3 | 3:00 | Kickboxing | |
| Promotion: | Rizin Fighting Federation |
| Rizin 30 - Saitama | |
| Date: | September 19, 2021 |
| Venue: | Saitama Super Arena |
| City: | Saitama, Japan |
| Attendance: | 7,580 |
Rizin 30 - Saitama was a Combat sport event held by Rizin Fighting Federation on September 19, 2021, at the Saitama Super Arena in Saitama, Japan.
The event would also feature the quarterfinal bouts of the bantamweight Grand Prix.[33]
Ayaka Hamasaki was scheduled to face Emi Fujino in a non-title bout in the co-main event.[34]
Olympic Greco-Roman wrestling silver medalist Shinobu Ota and former K-1 Welterweight champion Yuta Kubo were scheduled to fight in a featherweight bout.[35]
KNOCK OUT 65 kg champion Chihiro Suzuki was scheduled to face the 18-year mixed martial arts veteran Shoji Maruyama in a featherweight bout.[36]
Koji Takeda and Yusuke Yachi were scheduled to face each other in a featherweight bout.[37]
Two UFC veterans, Yoshinori Horie and Ulka Sasaki were scheduled to face each other in a featherweight bout.[38]
A women's atomweight kickboxing bout between Panchan Rina and Momoka Mandokoro was scheduled for the event. It was the first women's kickboxing bout in Rizin history.[39]
| Rizin 30 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Weight Class | Method | Round | T.Time | Notes | ||||
| Bantamweight 61 kg | Kai Asakura | def. | Alan Yamaniha | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix Quarterfinals | |
| Bantamweight 61 kg | Naoki Inoue | def. | Yuto Hokamura | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix Quarterfinals | |
| Bantamweight 61 kg | Hiromasa Ougikubo | def. | Takafumi Otsuka | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix Quarterfinals | |
| Bantamweight 61 kg | Kenta Takizawa | def. | Yuki Motoya | TKO (Punches) | 1 | 2:27 | Rizin Bantamweight Grand Prix Quarterfinals | |
| Intermission | ||||||||
| W.Super Atomweight 49 kg | Ayaka Hamasaki (c) | def. | Emi Fujino | Decision (Unanimous) | 3 | 5:00 | Non-Title bout | |
| Lightweight 70 kg | Yusuke Yachi | def. | Koji Takeda | Decision (Unanimous) | 3 | 5:00 | ||
| Featherweight 66 kg | Yoshinori Horie | def. | Ulka Sasaki | Decision (Unanimous) | 3 | 5:00 | ||
| Featherweight 66 kg | Shinobu Ota | def. | Yuta Kubo | Decision (Unanimous) | 3 | 5:00 | ||
| Featherweight 66 kg | Shoji Maruyama | def. | Chihiro Suzuki | KO (Punches) | 1 | 0:20 | ||
| Atomweight 47 kg | Panchan Rina | def. | Momoka Mandokoro | Decision (Unanimous) | 3 | 3:00 | Kickboxing | |
| Promotion: | Rizin Fighting Federation |
| Rizin Landmark vol.1 | |
| Date: | October 2, 2021 |
| City: | Tokyo, Japan |
Rizin Landmark vol.1 was a Combat sport event held by Rizin Fighting Federation on October 2, 2021, in Tokyo, Japan.[40] [41] [42]
The event was headlined by a 68 kg catchweight bout between Mikuru Asakura and Kyohei Hagiwara.[43]
On August 21, 2021, Rizin announced two bantamweight bouts were announced for the event: Masakazu Imanari would face Takeshi Kasugai,[44] while Shooto Watanabe would face Kuya Ito.[45] Ito later withdrew from his bout with Watanabe due to COVID-19 protocols, and was replaced by Nobutaka Naito.[46]
| Rizin | |||||||
|---|---|---|---|---|---|---|---|
| Weight Class | Method | Round | T.Time | Notes | |||
| Catchweight 68 kg | Mikuru Asakura | def. | Kyohei Hagiwara | Decision (Unanimous) | 3 | 5:00 | |
| Lightweight 70 kg | Hiroaki Suzuki | def. | Keisuke Okuda | TKO (Knee and Punches) | 1 | 1:42 | |
| Bantamweight 61 kg | Masakazu Imanari | def. | Takeshi Kasugai | Submission (Armbar) | 1 | 2:50 | |
| Bantamweight 61 kg | Shooto Watanabe | def. | Nobutaka Naito | Technical Submission (D’Arce Choke) | 1 | 1:33 | |
| Promotion: | Rizin Fighting Federation |
| Rizin 31 - Yokohama | |
| Date: | October 24, 2021 |
| Venue: | Pia Arena |
| City: | Yokohama, Japan |
Rizin 31 - Yokohama was a Combat sport event held by Rizin Fighting Federation on October 24, 2021, at the Pia Arena in Yokohama, Japan.
A featherweight title fight between the reigning champion Yutaka Saito and title challenger Juntaro Ushiku was scheduled as the event headliner.[47]
A women's super atomweight bout between the reigning Jewels atomweight and DEEP Microweight champion Saori Oshima and the two-time Rizin FF atomweight title challenger Kanna Asakura was announced for the event.[48]
Rizin-regular Tsuyoshi Sudario was scheduled to face Radlein Saint Ilme in a heavyweight bout.[49]
| Rizin 31 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Weight Class | Method | Round | T.Time | Notes | ||||
| Featherweight 66 kg | Juntaro Ushiku | def. | Yutaka Saito (c) | TKO (Doctor Stoppage) | 2 | 4:26 | For the Rizin Featherweight Championship | |
| W.Super Atomweight 49 kg | Saori Oshima | def. | Kanna Asakura | Decision (Split) | 3 | 5:00 | ||
| Heavyweight 120 kg | Tsuyoshi Sudario | def. | Radlein Saint Ilme | KO (Punch) | 1 | 1:51 | ||
| Featherweight 66 kg | Masanori Kanehara | def. | Takahiro Ashida | TKO (Punches and Elbows) | 2 | 1:18 | ||
| Intermission | ||||||||
| Lightweight 71 kg | Akira Okada | def. | Daichi Abe | Submission (North-South Choke) | 2 | 4:34 | ||
| Featherweight 66 kg | Daisuke Nakamura | def. | Suguru Nii | Submission (Flying Armbar) | 1 | 2:16 | ||
| Featherweight 66 kg | Rikuto Shirakawa | def. | Takuya Yamamoto | KO (Punches and Soccer Kick) | 1 | 3:48 | ||
| Catchweight 53.5 kg | Nadaka Yoshinari | vs. | Naoki Ishikawa | TKO (3 Knockdowns - Right Hook) | 1 | 2:30 | Kickboxing | |
| Flyweight 57 kg | Yuki Ito | def. | Yusaku Nakamura | TKO (Elbow and Punches) | 1 | 4:52 | ||
| Flyweight 57 kg | Seiichiro Ito | def. | Kunta Hashimoto | Submission (Rear-Naked Choke) | 2 | 4:07 | ||
| Catchweight 51 kg | Ryuya Okuwaki | def. | Ryuto Oinuma | Decision (Majority) | 3 | 3:00 | Kickboxing | |
| Promotion: | Rizin Fighting Federation |
| Rizin 32 - Okinawa | |
| Date: | November 20, 2021 |
| Venue: | Okinawa Arena |
| City: | Okinawa, Japan |
Rizin 32 - Okinawa was a Combat sport event held by Rizin Fighting Federation on November 20, 2021, at the Okinawa Arena in Okinawa, Japan.
The event was headlined by a super-atomweight bout between the 2017 Super Atomweight Grand Prix runner-up Rena Kubota and the one-time Rizin Super Atomweight title challenger Miyuu Yamamoto.[50]
| Rizin 32 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Weight Class | Method | Round | T.Time | Notes | ||||
| W.Super Atomweight 50 kg | Rena Kubota | def. | Miyuu Yamamoto | TKO (Knee and Punches) | 2 | 3:35 | ||
| Bantamweight 61 kg | Koji Tanaka | def. | Kazuma Sone | Decision (Unanimous) | 3 | 3:00 | Kickboxing | |
| Catchweight 58.5 kg | Yoshiro Maeda | def. | Mitsuhisa Sunabe | Decision (Unanimous) | 3 | 5:00 | ||
| Heavyweight 120 kg |  Bobby Ologun | def. | Katsuya Kitamura | Submission (Rear-Naked Choke) | 2 | 2:34 | ||
| Catchweight 72 kg | BeyNoah | def. | Daryl Lokoku | KO (Punch) | 3 | 1:09 | ||
| Intermission | ||||||||
| Catchweight 72 kg | Juri Ohara | def. | Kohei Tokeshi | TKO (Soccer Kicks and Punches) | 1 | 1:16 | ||
| Flyweight 57 kg | Haruo Ochi | def. | Tatsuya So | Decision (Unanimous) | 3 | 5:00 | ||
| Flyweight 57 kg | Yuichi Miyagi | def. | Tomohiro Adaniya | KO (Knee) | 1 | 0:47 | ||
| W.Super Atomweight 49 kg | Mizuki Oshiro | def. | Aira Koga | Decision (Split) | 3 | 5:00 | ||
| Catchweight 74 kg | Tanner Lourenco | def. | Shinya Kumazawa | Submission (Okuri Eri Jime) | 2 | 1:34 | ||
| Catchweight 73 kg | Hirokatsu Miyagi | def. | Lopez Satsuma | KO (Punch) | 1 | 2:39 | Kickboxing | |
| Catchweight 58 kg | Sho Sekihara | def. | Takahiro Kuniyoshi | Decision (Unanimous) | 3 | 5:00 | ||
| Catchweight 55 kg | Ryoga Terayama | def. | Hiroki Kinjo | Decision (Unanimous) | 3 | 3:00 | Kickboxing | |
| Promotion: | Rizin Fighting Federation |
| Rizin Trigger 1 | |
| Date: | November 28, 2021 |
| Venue: | World Memorial Hall |
| City: | Kobe, Japan |
Rizin Trigger 1 was a Combat sport event held by Rizin Fighting Federation on November 28, 2021, at the World Memorial Hall in Kobe, Japan.
The inaugural Rizin Trigger event marked the first time in-which matches took place in a cage, rather than a ring.[51]
| Rizin Trigger 1 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Weight Class | Method | Round | T.Time | Notes | ||||
| Featherweight 66 kg | Kyohei Hagiwara | def. | Shoji Maruyama | TKO (Punch and Soccer Kick) | 2 | 1:19 | ||
| Catchweight 68 kg | Yoshinori Horie | def. | Hirotaka Nakada | Decision (Unanimous) | 3 | 5:00 | ||
| Welterweight 77 kg | Kiichi Kunimoto | def. | Takahiro Kawanaka | Submission (Arm-Triangle Choke) | 1 | 4:10 | ||
| Welterweight 77 kg | Ryuichiro Sumimura | def. | Yasaku Kinoshita | Disqualification (Fence Grabbing) | 2 | 2:34 | ||
| Bantamweight 61 kg | Mamoru Uoi | def. | Hiroki Yamashita | KO (Punch and Soccer Kick) | 1 | 4:53 | ||
| Flyweight 57 kg | Tatsuki Saomoto | def. | Takashi Matsuba | Decision (Split) | 3 | 5:00 | ||
| Intermission | ||||||||
| Featherweight 66 kg | Chihiro Suzuki | def. | Sora Yamamoto | Decision (Unanimous) | 3 | 5:00 | ||
| Catchweight 73 kg | Grant Bogdanove | def. | Keisuke Okuda | Submission (Rear-Naked Choke) | 1 | 1:07 | ||
| Bantamweight 61 kg | Daiki Tsubota | def. | Makoto Kamaya | KO (Flying Knee) | 2 | 2:49 | ||
| Catchweight 53 kg | Jin Mandokoro | def. | Yu Hiramatsu | KO (Punch) | 2 | 1:08 | Kickboxing | |
| Bantamweight 61 kg |  Tepparith | def. | Hiroto Ichimura | KO (Punch) | 2 | 2:54 | Kickboxing | |
| W.Catchweight 46 kg | Momoka Mandokoro | def. | Miku | Decision (Unanimous) | 3 | 3:00 | Kickboxing | |
| Bantamweight 61 kg | Kenji Kato | def. | Katsuya Fujiwara | TKO (Injury) | 2 | 1:21 | ||
| Catchweight 55 kg | Tsubasa Morii | def. | Fujimon | Decision (Unanimous) | 3 | 3:00 | Kickboxing | |
| Promotion: | Rizin Fighting Federation |
| Rizin 33 - Saitama | |
| Date: | December 31, 2021 |
| Venue: | Saitama Super Arena |
| City: | Saitama, Japan |
| Attendance: | 22,499[52] |
Rizin 33 - Saitama was a Combat sport event held by Rizin Fighting Federation on December 31, 2021, at the Saitama Super Arena in Saitama, Japan.
A Rizin Lightweight Championship title bout between reigning champion Roberto de Souza and title challenger Yusuke Yachi was scheduled as the event headliner.[53]
Rizin Bantamweight Grand Prix Semi-final bouts were scheduled to take place during the event.[54]
| Rizin 33 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Weight Class | Method | Round | T.Time | Notes | ||||
| Bantamweight 61 kg | Hiromasa Ougikubo | def. | Kai Asakura | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix Finals | |
| Lightweight 71 kg | Roberto de Souza (c) | def. | Yusuke Yachi | Submission (Triangle Armbar) | 2 | 3:30 | For the Rizin Lightweight Championship | |
| Featherweight 66 kg | Mikuru Asakura | def. | Yutaka Saito | Decision (Unanimous) | 3 | 5:00 | ||
| Catchweight | Tenshin Nasukawa | - | Takanori Gomi | Draw (Time Limit) | 2 | 3:00 | Special Standing Bout Rules | |
| W.Catchweight 50 kg |  Si Woo Park | def. | Rena Kubota | Decision (Unanimous) | 3 | 5:00 | ||
| Intermission | ||||||||
| W.Super Atomweight 49 kg | Seika Izawa | def. | Ayaka Hamasaki (c) | TKO (Elbows and Punches) | 2 | 2:50 | Non-Title Bout | |
| Lightweight 71 kg | Koji Takeda | def. | BeyNoah | Submission (Armbar) | 2 | 4:12 | ||
| Heavyweight 120 kg | Hideki Sekine | def. | Shoma Shibisai | TKO (Punches) | 2 | 2:09 | ||
| Featherweight 66 kg | Kyohei Hagiwara | def. | Hiroaki Suzuki | Decision (Unanimous) | 3 | 5:00 | ||
| Catchweight 62 kg | YA-MAN | def. | Koji Tanaka | Decision (Majority) | 3 | 3:00 | Kickboxing | |
| Catchweight 90 kg | Hikaru Saito | def. | Yuta Kubo | Technical Submission (Armbar) | 1 | 2:16 | Special Rules | |
| Bantamweight 61 kg | Shinobu Ota | def. | Kazuma Sone | TKO (Soccer Kicks and Stomps) | 2 | 3:55 | ||
| Bantamweight 61 kg | Yuki Motoya | def. | Yuto Hokamura | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix Reserve Bout | |
| Bantamweight 61 kg | Hiromasa Ougikubo | def. | Naoki Inoue | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix Semi-finals | |
| Bantamweight 61 kg | Kai Asakura | def. | Kenta Takizawa | Decision (Unanimous) | 3 | 5:00 | Rizin Bantamweight Grand Prix Semi-finals | |
| Featherweight 66 kg | Kota Miura | def. | Yushi | TKO (Soccer Kick and Punch) | 1 | 3:00 | Special Rules | |