Chinese striking sensation Liu Mengyang opened up about his shocking 52-second TKO victory over ONE Featherweight Muay Thai World Champion Tawanchai PK Saenchai at ONE Friday Fights 137 on Friday, December 19, at Lumpinee Stadium in Bangkok, Thailand.
Liu Mengyang, the 22-year-old Shunyuan Fight Club representative delivered arguably the biggest upset of 2025 by systematically attacking the Thai champion’s lead leg with brutal kicks before landing a final blow that left the new father unable to continue in the featherweight kickboxing encounter.
Liu Mengyang discussed his pre-fight preparation, expressed concern for his injured opponent, and immediately challenged reigning ONE Featherweight Kickboxing World Champion Superbon for the divisional throne.
The surprising finish at ONE Friday Fights 137 closed ONE Championship’s 2025 calendar with a statement performance that announced the Chinese contender as a legitimate threat to the division’s established hierarchy.
Chinese Star Liu Mengyang Explains Calf Kick Strategy at ONE Friday Fights 137
Speaking about the finishing sequence that stunned the martial arts world at ONE Friday Fights 137, Liu Mengyang revealed his calculated focus on attacking Tawanchai’s lead leg while acknowledging concern for the Thai champion following the injury that ended their bout. The Chinese striker described hearing the impact that signaled his strategy had succeeded while expressing mixed emotions about the dramatic outcome.
“I felt a very crisp sound. His legs were too thin. Maybe my feet were too strong,” Liu Mengyang said. “I feel very happy and very excited, but at the same time I’m a little worried about Tawanchai. I saw he hurt his leg and I’m a little worried about him. I hope he can recover soon.”
The systematic leg attack strategy proved brutally effective as Liu landed multiple kicks to the Thai star’s lead leg before the final calf kicked dropped Tawanchai, who was unable to stand and continue fighting. The rapid finish shocked fans expecting a competitive battle at ONE Friday Fights 137 between two talented strikers.
Contender Liu Mengyang Reveals Pre-Fight Knockout Blueprint at ONE Friday Fights 137
Liu disclosed his specific game plan entering the ONE Friday Fights 137 main event, explaining that he had identified three distinct techniques capable of finishing the reigning Muay Thai champion. The Chinese contender’s preparation demonstrated well-planned sophistication beyond simply hoping to land significant strikes during exchanges.
“I prepared three techniques before the fight. One was a calf kick, the other was a kick to the stomach, and the last one was a punch. Before the fight, I was thinking that one of these three techniques would knock him out,” Liu explained.
The revelation that he correctly predicted leg kicks would produce the knockout demonstrates film study and strategic awareness that separate championship-caliber competitors from those who rely exclusively on physical attributes. Liu Mengyang ability to identify vulnerability in Tawanchai’s stance and execute the game plan flawlessly under pressure validates his readiness for bigger opportunities.
Chinese Destroyer Calls Out Superbon for Championship Gold after ONE Friday Fights 137

Wasting no time capitalizing on his signature victory at ONE Friday Fights 137, Liu immediately challenged Superbon for the ONE Featherweight Kickboxing World Championship. The Chinese knockout artist feels like this win has earned him that right.
“I think that beating him is very important for my career because this fight will make me closer to the championship and closer to my dream,” Liu Mengyang said. “For my next match, I want the belt, Superbon. Your belt! It’s time to put it on my shoulder!”
The bold callout demonstrates confidence gained from demolishing one of the division’s most accomplished champions. Liu’s 35-7 career record now includes spectacular victories over former ONE Interim Featherweight Kickboxing World Champion Masaaki Noiri in his promotional debut and the stunning destruction of Tawanchai at ONE Friday Fights 137, establishing him as a legitimate contender worthy of title consideration.

