Thai striking legend Petchtanong Petchfergus earned an incredible victory at ONE 163. He captured the ONE bantamweight kickboxing throne when he defeated Hiroki Akimoto.Thailand's Petchtanong fought in a southpaw stance and utilized knees to the open side of Akimoto's body. The 37-year-old fighter caused severely visible bruising against the Japanese-born kickboxer's ribs.ONE Championship shared a clip of Akimoto's bruised body on Instagram:"What five rounds of fighting Petchtanong does to you 🤕 [Petchtanong Petchfergus]" View this post on Instagram Instagram PostONE Championship fans reacted to the bruising on Akimoto's ribs in the comments. Instagram user 'RSLNT Fight Wear' commented on what we're all feeling:"Damn. My ribs hurt looking at this 😅."Combat sports follower Jeynelle Ng was impressed with the fortitude of Hiroki Akimoto:"Hiroki’s endurance wowed me. Go champ! you’ll get the belt in the next one"ONE fan Luna Isabella was impressed with both fighters:"Petchtanong’s been always a great and strategic fighter 🙌 but Hiroki’s fighting spirit and endurance is also admirable 🔥❤️ such an amazing match."[Photo Credit: @ONEChampionship] Instagram CommentsNew ONE bantamweight kickboxing world champion Petchtanong PetchfergusAfter more than 20 years in combat sports, Thai-born Petchtanong Petchfergus just achieved the pinnacle of his career. Over five rounds of dominance, the 37-year-old fighter earned the ONE bantamweight kickboxing world championship in his 415th professional bout.In his post-fight interview, the Thai-born fighter said:“I have been training so hard for two months for this event only... I would like to say thank you to my fans in Thailand and all around the world.”While it was a split-decision win, the confidence of the 37-year-old athlete never wavered:“I was surprised [by Akimoto's endurance], but I was confident that ONE Championship would be fair enough that I was the winner today.”Beyond Kickboxing@Beyond_KickDeath by a thousand knees.Petchtanong leaves Hiroki Akimoto no chance as he pierces him up with stinging left knees & kicks, turning his rib cage into minced meat. Your NEW Kickboxing Bantamweight Champion!#ONE163675124Death by a thousand knees.Petchtanong leaves Hiroki Akimoto no chance as he pierces him up with stinging left knees & kicks, turning his rib cage into minced meat. Your NEW Kickboxing Bantamweight Champion!#ONE163 https://t.co/iJHbGBkniUBefore the fight even happened, Petchtanong was extremely confident in his ability to handle the pressure and power coming from then-world champion Hiroki Akimoto. Weeks before his world championship bout, the Thai athlete told ONE:“Another thing is that my [Physical] build is close to his. I can take his shots. Some people may be worried that I couldn’t handle Hiroki’s powerful strikes, but I would say to those people, don’t worry about me in this matter. I’m as big as Superbon, I can definitely handle his attack power.” View this post on Instagram Instagram Post