Rodtang Jitmuangnon, Chatri Sityodtong, Walter Goncalves (©ONE Championship)

Fighting out of Fortaleza, Brazil, Walter Gonçalves, 21, will make his debut in ONE Championship’s striking-only league ONE Super Series at “ONE: Century 世紀” in Japan. He will challenge reigning ONE Flyweight Muay Thai World Champion Rodtang “The Iron Man” Jitmuangnon, 22, of Bangkok, Thailand.

“I am honored to be here and to fight for ONE Championship,” Gonçalves said during the “ONE: Century 世紀” press conference at the Park Hyatt in Tokyo, Japan on October 10, 2019. “I’m looking forward to Sunday night, where I will be fighting one of the best Thai fighters in the world. Thank you, guys, for coming out today and I appreciate you all.”

Gonçalves is the first challenger of Jitmuangnon as the ONE Flyweight Muay Thai World Champion. The latter earned the title on August 2, 2019 at “ONE: Dawn of Heroes” at the SM Mall of Asia Arena in Pasay City, Metro Manila, Philippines dethroning then champion Jonathan “The General” Haggerty, 22, of London, England, United Kingdom.

Born on June 8, 1998, Gonçalves was 17 years old when he went to Thailand to pursue a career in fighting. He is training out of Blackthai CT in Fortaleza under the tutelage of Anderson Dentao.

Taking place at the Ryogoku Kokugikan in Tokyo on October 13, 2019, “ONE: Century 世紀” is the 100th live event of ONE Championship and its second event in Japan. It was Chatri, who came up with the name to the event, said he wanted to “signify the greatest martial arts event in the last 100 years.”

Featured at “ONE: Century 世紀” are 28 world champions from across various martial arts and seven world title bouts in two full-scale events. The first part will be broadcast live in the United States via TNT and B/R Live and it starts from 9:00 a.m. JST on October 13, 2019 or 8:00 p.m. EST on October 12, 2019.

The ONE Flyweight Muay Thai World Championship bout between Rodtang and Gonçalves is one of the three co-main events of the second part, which will be broadcast live across more than 140 countries worldwide and streamed to 2.6 billion potential viewers through the world’s largest television networks. It starts from 5:00 p.m. JST on October 13, 2019 or 4:00 a.m. EST on October 12, 2019.

Watch the “ONE: Century 世紀” press conference highlights here: