In the main event of ONE: X , inaugural Atomweight champion Angela Lee returns to action after nearly three years to put her belt on the line against Grand Prix winner Stamp Fairtex .

The consensus greatest Flyweight of all time, Demetrious Johnson , 185 and 205 pound MMA champion Reinier de Ridder , and Japanese legend Shinja Aoki , will also be part of the evening.

ONE Championship celebrates its ten years of operations with a mega card that includes the presence of champions from multiple disciplines.

In the main event of ONE: X , inaugural Atomweight champion Angela Lee returns to action after nearly three years to put her belt on the line against Grand Prix winner Stamp Fairtex .

The consensus greatest Flyweight of all time, Demetrious Johnson , 185 and 205 pound MMA champion Reinier de Ridder , and Japanese legend Shinja Aoki , will also be part of the evening.

How to watch the ONE:X

The Main Card , which for the occasion goes by the name of Grand Finale, will be issued exclusively through watch.onefc.com for a cost of $39.95 dollars.

The two parts of the Preliminary Card will be broadcast normally on the official ONE Championship YouTube channel and the promotion’s free app, available on both iOS and Android .

ONE:X will take place from the Singapore Indoor Stadium in Kallang.

ONE X: Grand Finale

(Current Champion) Angela Lee vs. Stamp Fairtex (ONE Women’s Atom Class World Title Match)
Rodtang Jitmuang Non vs. Demetrious Johnson (Special Rule Super Fight)
(Current champion) Adriano Moraes vs. Yuya Wakamatsu (ONE Flyweight World Title Match)
Shinya Aoki vs. Yoshihiro Akiyama (Mixed Martial Arts-Lightweight)
Eduard Folayang vs. John Wayne Parr (Muay Thai-Lightweight)
Superbon vs. Marat Gregorian (ONE Featherweight Kickboxing World Title Match)

ONE X: Part 2

(Current Champion) Nong-O Gai Yarn Hardao vs. Philip Robo (ONE Bantamweight Muay Thai World Title Match)
(Current Champion) Capitan Pettingy vs. Hiroki Akimoto (ONE Bantamweight Kickboxing World Title Match)
Seo Hee Ham vs. Denice Zamboanga (Mixed Martial Arts-Atom Class)
Itsuki Hirata vs. Jihin Razwan (Mixed Martial Arts-Atom Class)
Kim Jae Won vs. Tan Kai (Mixed Martial Arts – Featherweight)

ONE X: Part 1

Chingiz Allazov vs. Sittichai Sisson Peenon (ONE Featherweight Kickboxing World Grand Prix Final)
Reinier de Ridder vs. Andre Gauvao (Submission Grappling-Middleweight)
Rito Adiwan vs. Jeremy Miad (Mixed Martial Arts-Straw Class)
Amir Khan vs. Ryosuke Takahashi (Mixed Martial Arts-Featherweight)
Kang Ji Won vs. Paul Elliott (Mixed Martial Arts-Heavyweight)
Daniel Kelly vs. Mei Yamaguchi (Submission Grappling-Atom Class)
Ryuto Sawada vs. Senzo Ikeda (Mixed Martial Arts-Straw Class)
Asya Roca vs. Aries Anderson (Mixed Martial Arts-Atom Class)