ONE Fighting Championship: Return of Warriors was a mixed martial arts event held by ONE Championship. The event took place on February 2, 2013 at the 16,000 capacity Putra Indoor Stadium in Kuala Lumpur, Malaysia. ;Background The event crowned the first ONE Featherweight Champion, in a matchup originally scheduled for, between Philippine fighters Eric Kelly and Honorio Banario, which was scratched at that time due to PPV time constraints. The event also held the first two bouts of the 4-man ONE Malaysian National Featherweight Championship Tournament and the final first-round bout of the ONE Bantamweight Grand Prix. ;Results
ONE Fighting Championship: Kings and Champions
ONE Fighting Championship: Kings and Champions was a mixed martial arts event held by ONE Championship. The event took place on April 5, 2013 at the 12,000 capacity Singapore Indoor Stadium in Kallang, Singapore. ;Background This event held the first title defense for ONE Lightweight Champion Kotetsu Boku against Japanese top contender Shinya Aoki. The event also marked the return of fighters like Melvin Manhoef, Leandro Issa and Jake Butler to the ONE cage, and the two semifinals of the ONE Bantamweight Grand Prix. ;Results
ONE Fighting Championship: Rise to Power was a mixed martial arts event held by ONE Championship. The event took place on May 31, 2013 at the 20,000 capacity SM Mall of Asia Arena in Pasay City, Philippines. ;Background This was the second visit of ONE to the Philippines, after the successful August 2012 event held at the Araneta Coliseum. The event held the first title defense for ONE Featherweight Champion Honorio Banario against Japanese contender Koji Oishi. The original matchup for the title was against Korean top contender Bae Young Kwon, but was scrapped due to the Kwon commitment with the localmilitary service. ;Results
ONE Fighting Championship: Champions & Warriors
ONE Fighting Championship: Champions & Warriors was a mixed martial arts event held by ONE Championship. The event took place on September 13, 2013 at the 10,000 capacity Istora Senayan in Jakarta, Indonesia. ; Background This event marked the second visit of ONE to Indonesia, after the February 2012 event held at the BritAma Arena. Yasuhiro Urushitani was scheduled to face Shinichi Kojima in the main event for the inaugural ONE Flyweight Championship but had to pull out due to an injury and was replaced by Andrew Leone. Although on September 10, 2013 Leone also pulled out of the title bout and the fight was scrapped all together. ; Results
ONE Fighting Championship: Total Domination
ONE Fighting Championship: Total Domination was a mixed martial arts event held by ONE Championship. The event took place on October 18, 2013 at the Singapore Indoor Stadium in Kallang, Singapore. ; Background The main event was a unification bout for the ONE bantamweight world title between champion Soo Chul Kim and interim championBibiano Fernandes. The Co-Main event featured ONE's Lightweight Champion Shinya Aoki dropping a division to compete in a non-title fight against Cody Stevens. On October 19, 2013, ONE officials deemed the Flyweight bout between Rene Catalan and Khim Dima a No Contest due to several illegal strikes perceived during a review of the fight. ; Results
ONE Fighting Championship: Warrior Spirit
ONE Fighting Championship: Warrior Spirit was a mixed martial arts event held by ONE Championship. The event took place on November 15, 2013 at the Putra Indoor Stadium in Bukit Jalil, Kuala Lumpur, Malaysia. ; Background The main event was going to be a contest for the inaugural ONE Welterweight Championship between Adam Kayoom and Nobutatsu Suzuki. On November 11, 2013, ONE officials announced that Adam Kayoom was injured, and was going to be replaced by Vitor Pinto. However, Pinto was not medically cleared and the bout was cancelled. ; Results
ONE Fighting Championship: Moment of Truth was a mixed martial arts event held by ONE Championship. The event took place on December 6, 2013 at the SM Mall of Asia Arena in Pasay City, Philippines ; Background The main event was a rematch for the ONE Featherweight world title between champion Koji Oishi and former champion Honorio Banario. The event also featured the return of local favorites Eduard Folayang and Geje Eustaquio. ; Results
