The co-main even featured the ONE Atomweight Kickboxing and Muay Thai champion Stamp Fairtex in an MMA bout against Puja Tomar.

The Russian veteran, has been replaced by Thailand’s Detrit Sathian in the main event for the ONE Muay Thai Featherweight Championship.

[6] Bi Nguyen was forced to withdraw from her bout with Itsuki Hirata due to an elbow injury sustained during training.

[7] ONE Warrior Series 10 was a combat sport event held by ONE Championship on February 19, 2020, in Kallang, Singapore.

ONE: King of the Jungle was headlined by a title fight between the reigning ONE Kickboxing Women's Atomweight Champion Stamp Fairtex and Janet Todd.

Stamp had previously beaten Todd to win the ONE Atomweight Muay Thai World Title.

The co-main event saw Sam-A Gaiyanghadao face Rocky Ogden for the inaugural ONE Muay Thai Strawweight Championship.

[11] ONE Hero Series 13 was a combat sport event held by ONE Championship on June 20, 2020, in Shanghai, China.

ONE Hero Series 14 was a combat sport event held by ONE Championship on June 21, 2020, in Shanghai, China.

ONE: No Surrender featured two title bouts: Rodtang Jitmuangnon was scheduled to defend the ONE Muay Thai Flyweight Championship against Petchdam Petchyindee Academy and Phetmorakot Petchyindee Academy was scheduled to defend the ONE Muay Thai Featherweight Championship against Yodsanklai Fairtex.

This will be the fourth consecutive event ONE Championship has held in Bangkok and will be headlined by a bout between the current Atomweight Muay Thai champion Stamp Fairtex and Allycia Rodrigues.

A fight between the former ONE Muay Thai Featherweight title challenger Pongsiri PK.Saenchaimuaythaigym and the current WBC Muaythai Super Lightweight champion Sean Clancy was announced as the main event.

An additional fight in the ONE Super Series will feature Supergirl Jaroonsak Muaythai and Milagros Lopez at 53.7 kg catchweight.

Two mixed martial arts bouts at lightweight (77 kg) were announced, pitting Abu Muslim Alikhanov vs. Pascal Jaskiewiez and Witchayakorn Niamthanom vs. Khalid Friggini.

A 67.5 kg catchweight mixed martial arts fight between Prach Buapa and Brogan Stewart-Ng was announced as well.

The card will also feature an MMA bout between the undefeated prospect Aleksi Toivonen, and the #5 ranked flyweight Reece McLaren.

The co-main event will feature a fight between the former three weight Lumpini Stadium champion Sagetdao Petpayathai and Zhang Chunyu.

[22][23] The event will be third in a row to take place in Singapore, following the relaxation of measures meant to combat the COVID-19 pandemic.

[25] A women's atomweight bout between Ritu Phogat and Nou Srey Pov was announced as the sixth fight on the card.

[35] Former Shooto Featherweight champion Ryogo Takahashi fought the undefeated prospect Yoon Chang Min.

[37][38] A four-man tournament will be held in the 66 kg weight class, featuring Tamerlan Bashirov, Viktor Mikhailov, Vladimir Kuzmin and Maxim Petkevich.

[41] Former Glory lightweight champion Marat Grigorian is scheduled to fight Ivan Kondratev, in his debut with the organization.

[43] A Heavyweight bout between newcomer Amir Aliakbari and Islam Abasov was previously scheduled for ONE: Big Bang.

Anderson Silva replaced Roman Kryklia as Murat Aygun's opponent, and a featherweight fight between Andy Souwer and Zhang Chunyu was added.

In the co-main event, Nieky Holzken will return from a year long layoff to take on Elliot Compton.

[57][58] The event will be headlined by a fight between the reigning Rajadamnern Stadium 126 lb champion Petchpangan Teeded99 and Wanchana Nor Narisson.

[64] After a 2 years hiatus the undefeated lightweight contender Lowen Tynanes will make his comeback against the former ONE Featherweight champion Marat Gafurov.

The event was expected to take place at the World Siam Stadium in Bangkok, Thailand on December 25.

[68] The sixth edition of Road to ONE was supposed to be composed solely of muay thai bouts, the former WBC Muaythai 147 lb champion Luis Cajaiba and the current Lumpinee Stadium 160 lb champion Sorgraw Petchyindee was planned to headline the event.