ONE Championship 122: Big Bang will be a Combat sport event held by ONE Championship on December 4, 2020 at the Singapore Indoor Stadium in Kallang, Singapore.
Fight Card
Main Card
Light Heavyweight 102 kg Ukraine Roman Kryklia (c) vs. Turkey Murat Aygün Kickboxing Light Heavyweight Championship
Featherweight 70 kg United States Garry Tonon vs. Japan Koyomi Matsushima
Featherweight 70 kg Armenia Marat Grigorian vs. Russia Ivan Kondratev Kickboxing
Heavyweight 120 kg Iran Amir Aliakbari vs. TBA
Flyweight 61 kg South Africa Bokang Masunyane vs. Philippines Rene Catalan
Atomweight 52 kg India Ritu Phogat vs. Philippines Jomary Torres
Background
ONE: Big Bang will be headlined by a kickboxing title bout, as the reigning ONE Kickboxing Light Heavyweight champion Roman Kryklia is scheduled to defend for the first time against the promotional newcomer Murat Aygün. Kryklia was originally scheduled to defend against Andrei Stoica during ONE Infinity 1, but the bout was cancelled due to the COVID-19 pandemic.
The #5 ranked featherweight Garry Tonon is scheduled to fight the former ONE Featherweight title challenger Koyomi Matsushima.
Former Glory lightweight champion Marat Grigorian is scheduled to fight Ivan Kondratev, in his debut with the organization.
The #3 ranked flyweight Kairat Akhmetov was scheduled to face the #2 ranked Danny Kingad. The two were first scheduled to fight in the ONE Flyweight Grand Prix, but Akhmetov later pulled out due to injury. Kingad was forced off the card on November 30, after one of his cornermen tested positive for COVID-19 The fight was replaced by a strawweight bout between the #3 ranked Rene Catalan and Bokang Masunyane.
In the remaining two MMA bouts, the two time World Wrestling Championships Greco-Roman medalist Amir Aliakbari will fight the undefeated Islam Abasov; in the sole WMMA bout, Ritu Phogat is scheduled to fight Jomary Torres. The heavyweight bout was later removed from the card, as Abasov was arrested and detained in Moscow after a road conflict.