February 25, 2026

The K-1 Executive Committee has officially announced multiple bouts for K-1 GENKI 2026, scheduled for Saturday, April 11, 2026, at Yoyogi National Gymnasium Second Gymnasium in Tokyo.
The event will be headlined by a key women’s flyweight international clash, with the participation of Lukas Achterberg also confirmed. Additional bouts have now been finalized.

Featured Bout
K-1 Women’s Flyweight (3×3 min, Ext. 1R)

Mona Kimura (Japan / K-1 Gym Meguro TEAM TIGER)
vs.
Eun Ji Choi (Korea / Daegu FEARLESS GYM)

Undefeated prospect Mona Kimura (3-0, 2 KO) takes on MAX FC Women’s Bantamweight (-52kg) Champion Eun Ji Choi (19 fights, 8 wins).
Kimura, who represented Japan at the 2022 AIBA Women’s World Boxing Championships and holds multiple national boxing titles, continues her rapid rise in K-1 competition.
Choi brings championship experience and international pedigree from Korea’s leading promotion MAX FC.
This Japan vs. Korea matchup is expected to play a pivotal role in the development of the K-1 women’s flyweight division.

K-1 Cruiserweight (3×3 min, Ext. 1R)
Lukas Achterberg (Germany / Team CSK / Sparta Aachen) vs. TBA

Lukas Achterberg (19 fights, 18 wins, 9 KO) will compete in the K-1 cruiserweight division.
Achterberg captured the tournament title in spectacular fashion, scoring three knockout victories in a single night over Mahmoud Sattari, Bogdan Stoica, and Nikita Kozlov. Originally scheduled to compete in a reserve bout, Achterberg advanced into the main bracket and went on to deliver a dominant, all-KO championship run.

Full-Contact Karate Special Rules -75kg
Yuto Fukuchi (Japan / Byakuren Kaikan)

vs.

Vitor Toffanelli (Brazil / Brazilian Thai / Toeikan)

Yuto Fukuchi, multiple-time JFKO and Byakuren All Japan Champion, faces Brazilian striker Vitor Toffanelli, former HOOST CUP Welterweight Champion and WBKF World Super Welterweight Champion.
This bout will be contested under full-contact karate special rules, with final rule adjustments currently under discussion.

K-1 Featherweight (3×3 min, Ext. 1R)
Takahito Niimi (Japan / Nagoya JK Factory)

vs.

Rui Okubo (Japan / K-1 Gym Wolf TEAM ASTER)

Former 5th Krush Featherweight Champion Takahito Niimi (33 fights, 19 wins) faces rising K-1 star Rui Okubo (16 fights, 13 wins).
Okubo gained national attention at THE MATCH 2022, earning a decision victory over Ryujin Nasukawa in his professional debut. In his most recent bout against Akihiro Kaneko, the fight was ruled a no contest due to Okubo missing weight, even though he delivered a dominant performance.
Now moving up to featherweight for the first time, Okubo begins his pursuit of the vacant K-1 Featherweight title, formerly held by Takumi Terada, in a pivotal clash against the experienced veteran Niimi.

K-1 Featherweight (3×3 min, Ext. 1R)
Lyra Nagasaka (Japan / K-1 Gym Sagami-Ono KREST)

vs.

Ryunosuke Saito (Japan / Dojo Shakariki)

K-1 Super Featherweight (3×3 min, Ext. 1R)
Yuuki Egawa (Japan & Philippines / POWER OF DREAM)

vs.

Narufumi Nishimoto (Japan / K-1 Gym Sagami-Ono KREST)

HERO’S Rules Heavyweight (5×2 min)
Faye (Senegal / Senegal Warriors MMA)

vs.

Mac Papalii (Samoa / Battle-Box)

Faye (3-0 MMA, all KO) stands at 205cm and 160kg and brings explosive knockout power.

K-1 GENKI 2026 continues to develop into one of the most internationally diverse and technically compelling events of the year, featuring world champions, undefeated prospects, elite karate specialists, and rising stars from across multiple disciplines.

Further announcements, including additional bouts and official fight order, will be released soon.