ONE SAMURAI 4
ONE SAMURAI 4 is an MMA event from ONE Championship, scheduled for Saturday, October 17, 2026 at Ariake Arena, Tokyo, Japan. A championship title is on the line. 4 fights are scheduled across the card. The main event features Jonathan Haggerty (10-3-0) vs Hiroki Akimoto (9-4-0) in the Bantamweight division. In the United States, the card streams live on Prime Video. Bout order and start times can shift during fight week, this page updates automatically as ONE confirms changes.
Running order
Main card →AnpoSuperlekNadakaHaggerty
First boutMain event
Main card
- Title boutBantamweight· 5 roundsKickboxing
- Title boutAtomweight· 5 roundsMuay Thai
- Title boutFlyweight· 5 roundsKickboxing
- Lightweight· 3 roundsKickboxing
Card changes
Late changes to this card, most recent first.
- New fightRukiya Anpo vs Bogdan Shumarov added to the cardLightweight
- New fightSuperlek vs Jonathan Di Bella added to the cardFlyweight
- New fightNadaka vs Rifdean Masdor added to the cardAtomweight
Where to watch
How to watch ONE SAMURAI 4 →Start time around the world
Main card start converted to major time zones — prelims in parentheses where announced. Every listed time is the same moment.
- New York (ET)Sat, Oct 17, 3:00 AM
- Los Angeles (PT)Sat, Oct 17, 12:00 AM
- London (UK)Sat, Oct 17, 8:00 AM
- Berlin (CET)Sat, Oct 17, 9:00 AM
- Moscow (MSK)Sat, Oct 17, 10:00 AM
- Tokyo (JST)Sat, Oct 17, 4:00 PM
- Sydney (AEST)Sat, Oct 17, 6:00 PM