MMA Calendar
ONETITLEAnnounced

ONE SAMURAI 4

STARTS IN··d ··h ··m
Ariake Arena, TokyoPrime Video
Jonathan HaggertyJonathan HaggertyUnited Kingdom10-3-0
vsBantamweight · 5 rounds
Hiroki AkimotoHiroki AkimotoJapan9-4-0

Running order

Your time · estimated from the usual gap between bouts

Main cardTamaruMatsukuraYozaHirataAnpoGrigorianNoiriNadakaHaggertyFirst bout0 prelimsMain eventToki Tamaru vs Shoma Okumura

Main card

  1. Jonathan Haggerty
    Jonathan HaggertyUnited Kingdom10-3-0
    Kickboxing· Title bout
    Hiroki Akimoto
    Hiroki AkimotoJapan9-4-0
    Fans' pick 80%5 picks so far20%
    Analyze matchup →
  2. Nadaka
    NadakaJapan6-0-0
    Muay Thai· Title bout
    Rifdean Masdor
    Rifdean MasdorMalaysia7-1-0
  3. Masaaki Noiri
    Masaaki NoiriJapan3-3-0
    Kickboxing
    Mohammad Siasarani
    Mohammad SiasaraniIran10-2-0
  4. Marat Grigorian
    Marat GrigorianArmenia8-3-0
    Kickboxing
    Luo Chao
    Luo ChaoChina6-1-0
  5. Rukiya Anpo
    Rukiya AnpoJapan1-1-1
    Kickboxing
    Bogdan Shumarov
    Bogdan ShumarovBulgaria3-1-0
  6. Itsuki Hirata
    Itsuki HirataJapan8-5-0
    MMA
    Jihin Radzuan
    Jihin RadzuanMalaysia10-6-0
  7. Yuki Yoza
    Yuki YozaJapan4-1-0
    Kickboxing
    Nabil Anane
    Nabil Anane8-3-0
  8. Shintaro Matsukura
    Shintaro MatsukuraJapan
    Kickboxing
    Sinsamut Klinmee
    Sinsamut KlinmeeThailand5-6-0
  9. Toki Tamaru
    Toki TamaruJapan0-1-0
    Kickboxing
    Shoma Okumura
    Shoma OkumuraJapan4-1-0

Cancelled fights

  1. CANCELLEDSuperlek vs Jonathan Di BellaFlyweight

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. 10 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.

Card changes

Late changes to this card, most recent first.

  1. New fightToki Tamaru vs Shoma Okumura added to the cardStrawweight
  2. TimeStart time: →
  3. New fightShintaro Matsukura vs Sinsamut Klinmee added to the cardLightweight
  4. New fightYuki Yoza vs Nabil Anane added to the cardBantamweight
  5. New fightItsuki Hirata vs Jihin Radzuan added to the cardAtomweight
  6. New fightMarat Grigorian vs Luo Chao added to the cardFeatherweight
  7. New fightMasaaki Noiri vs Mohammad Siasarani added to the cardFeatherweight
  8. OffSuperlek vs Jonathan Di Bella is off the cardFlyweight
  9. New fightRukiya Anpo vs Bogdan Shumarov added to the cardLightweight
  10. New fightSuperlek vs Jonathan Di Bella added to the cardFlyweight
  11. New fightNadaka vs Rifdean Masdor added to the cardAtomweight

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 (EDT)Sat, Oct 17, 2:30 AM
  • Los Angeles (PDT)Fri, Oct 16, 11:30 PM
  • London (GMT+1)Sat, Oct 17, 7:30 AM
  • Berlin (GMT+2)Sat, Oct 17, 8:30 AM
  • Moscow (GMT+3)Sat, Oct 17, 9:30 AM
  • Tokyo (GMT+9)Sat, Oct 17, 3:30 PM
  • Sydney (GMT+11)Sat, Oct 17, 5:30 PM