TOKYO — RIZIN Fighting Federation delivered one of its most chaotic cards of the year Tuesday afternoon at Toyota Arena Tokyo, where more than 10,000 fans watched eight of ten fights end inside the distance. The only two bouts that reached the scorecards were the main event and co-main event, and both produced storylines that will shape the promotion's title pictures for the rest of 2026.
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Akimoto Outlasts Koike in Featherweight Title Eliminator
The night's headline bout paired 20-year-old Japanese prospect Kyoma Akimoto (13-1, 8-1 Rizin) against former Rizin featherweight champion Kleber Koike Erbst (35-10-1, 1 NC; 10-5, 1 NC Rizin) in a title eliminator. Koike came out throwing volume, landing dozens of kicks to Akimoto's legs and midsection inside the first two minutes alone, but Akimoto never flinched. A counter left hook late in the opening round rocked Koike and backed him into a corner, and while the Brazilian recovered and briefly took Akimoto's back, the young Japanese fighter stayed on his feet and wobbled Koike again with punches in the final 30 seconds.
Round two belonged to Akimoto. He started timing Koike's entries, snapping the former champion's head back with crisp jabs and crosses until Koike was bleeding from the nose. Koike tried to pull guard and hunt takedowns, but Akimoto stuffed every attempt and backed him into a corner behind a relentless jab as more cuts opened across Koike's face. In the final round, Akimoto jabbed Koike's nose, avoided takedown attempts with ease, and declined the invitation when Koike flopped to his back and dared him to follow. Koike's left eye swelled and blood covered his face as the 20-year-old cruised to a unanimous decision.
With the win, Akimoto is expected to challenge for Rizin's featherweight title before the end of the year, while Koike's path back to the belt has likely been derailed.
Two-Point Penalty Decides Co-Main: Sato Downs "Patchy" Mix
The only other fight to go the distance was a bantamweight clash between Shoko Sato (39-17-2, 1 NC; 5-2 Rizin) and former Bellator champion Patrick "Patchy" Mix (20-5, 1-2 Rizin). Mix missed weight badly — coming in more than six pounds over the bantamweight limit — and was docked two points before the opening bell. That penalty proved decisive.
Mix started strong, taking Sato down directly into back control and locking a tight rear-naked choke that Sato somehow refused to submit to before breaking free. But Sato turned the fight with leg kicks in the second round, hurting Mix's right leg and repeatedly punishing him as Mix slowed. Mix caught a kick and scored a takedown in the third, landing hammerfists from side control and threatening with a modified buggy choke, but it wasn't enough. All three judges scored it 28-27 for Sato thanks to the deduction, handing Mix his fourth straight loss.
Heavyweight Grand Prix Final Set for November
Both semifinals of the Heavyweight Grand Prix Japan delivered violent finishes. King Edokpolo (4-0, 3-0 Rizin) survived a slow first round against Mikio Ueda (5-4, 4-4 Rizin) before backing the veteran against the ropes early in the second and landing a high knee to the jaw that sent Ueda crashing to the mat 47 seconds into the round. Edokpolo advances to the tournament final undefeated.
In the other semifinal, Tsuyoshi Kamiyama (10-4, 10-4 Rizin) stunned Ryo Sakai (15-16, 0-3 Rizin) with a jab and combination against the ropes before dropping him with a right hook to the temple. With Sakai on the canvas, Kamiyama blasted him with a soccer kick and a final punch, prompting the stoppage at 4:26 of Round 1. Kamiyama will meet Edokpolo in the heavyweight final in November.
Finishes Everywhere Else on the Card
The rest of the card was a finishing clinic. Yuki Ito (21-7, 11-3 Rizin) rallied from a rough opening round to stop a tiring Alibek Gadzhammatov (6-2, 2-2 Rizin) with punches and knees in a corner at 3:50 of Round 2 in their flyweight bout. Koji Takeda (20-8, 9-8 Rizin) survived five minutes of back control from Kazumasa Majima (20-7, 5-6 Rizin) before locking in a triangle armbar for the tap at 4:58 of Round 1 — a highlight-reel submission in a featherweight fight.
Joji Goto (20-9, 6-1 Rizin), rebounding from an unsuccessful title bid in April, badly rocked Uzbek prospect Azizbek Temirov (6-3, 1-1 Rizin) with punches and elbows, attempted his signature twister, then transitioned to a rear-naked choke for the tap at 3:41 of the opening round. In a flyweight grudge match, Joe Hiramoto (4-2, 4-1 Rizin) knocked previously undefeated Ryoma Shishimoto (4-1, 2-1 Rizin) unconscious with a right hook at 1:36 of Round 1 — Shishimoto was taken from the ring on a stretcher.
Former kickboxing champion Naoki Tanaka (4-2, 2-1) spoiled Issa Hosokawa's professional MMA debut in a 152-pound catchweight bout, battering Hosokawa's left eye until it swelled shut and the doctor waved off the fight at 3:09 of Round 2. And in the opener, two-time Road to UFC competitor Kaiwen Li (17-8, 1-1 Rizin) dropped Deep champion Arata Mizuno (9-2, 0-1 Rizin) with two elbows to the temple, then finished him with hammerfists for a knockout at 4:27 of Round 1.
What It Means for Rizin
RIZIN 54 was a statement card for the promotion's youth movement. Akimoto, just 20, now stands one win from a featherweight title, while Edokpolo and Kamiyama are set to collide in November with the inaugural Heavyweight Grand Prix Japan crown on the line. Meanwhile, Mix's skid continues and his future in the organization is now very much in question. With this level of violence in front of a 10,000-plus crowd, Rizin has plenty of momentum heading into the fall.
Tyler Harlan
Tyler Harlan covers sports with an eye for rotations, trends, scheduling spots, and the game context that often gets overlooked.