Roman Kryklia

ONE 161: Petchmorakot vs. Tawanchai was a Combat sport event produced by ONE Championship that took place on September 29, 2022 at the Singapore Indoor Stadium in Kallang, Singapore.

ONE Fight Night 30: Kryklia vs. Knowles was a combat sports event produced by ONE Championship that took place on April 5, 2025, at Lumpinee Boxing Stadium in Bangkok, Thailand. A ONE Heavyweight Muay Thai World Championship bout between current champion (also current ONE Light Heavyweight Kickboxing World champion) Roman Kryklia and promotional newcomer Lyndon Knowles headlined the event.

ONE Championship: ONE 163 took place Saturday, November 19, 2022 with 11 fights at Singapore Indoor Stadium in Singapore.

ONE Fight Night 17: Kryklia vs. Roberts was a Muay Thai event produced by ONE Championship that took place on December 9, 2023, at Lumpinee Boxing Stadium in Bangkok, Thailand. An inaugural ONE Heavyweight Muay Thai World Championship bout between the ONE Light Heavyweight Kickboxing World Champion (also the 2022 ONE Heavyweight Kickboxing World Grand Prix winner) Roman Kryklia and Alex Roberts headlined the event.

ONE Championship: Full Circle was a Combat sport event held by ONE Championship on February 25, 2022 at the Singapore Indoor Stadium in Kallang, Singapore.

ONE Fight Night 37: Kryklia vs. Agdeve was a combat sports event produced by ONE Championship that took place on November 8, 2025, at Lumpinee Boxing Stadium in Bangkok, Thailand. An inaugural ONE Heavyweight Kickboxing World Championship bout between current ONE Heavyweight Muay Thai and Light Heavyweight Kickboxing World Champion Roman Kryklia and promotional newcomer Samet Agdeve headlined the event.