Hiroki Akimoto will make his first ONE Bantamweight title defense against the 414-fight veteran Petchtanong in the headlining bout. Both fighters easily passed both weight and hydration on their first attempt.
Plus, giants collide for the ONE Heavyweight Kickboxing World Grand Prix Championship, as reigning ONE Light Heavyweight Kickboxing World Champion Roman Kryklia takes on Iranian star Iraj Azizpour in a highly anticipated trilogy bout. Both fighters pass as well.
Yuya Wakamatsu failed weight and hydration, and as a result, will forfeit 40% of his purse to Woo Sung Hoon. The bout will now be at a catchweight of 139 lbs.
Asahi Shinagawa failed weight and hydration, and as a result, will forfeit 20% of his purse to Rui Botelho. The bout will now be at a catchweight of 126 lbs.
The bout between Ham Seo Hee and Itsuki Hirata is off. Hirata failed weight and hydration, and Ham did not agree to compete.
ONE ON PRIME VIDEO 4 WEIGH-IN RESULTS
Hiroki Akimoto (144.25, 1.0009) vs. Petchtanong (144.75, 1.0203) - Bantamweight Title
Roman Kryklia (229.25, 1.0233) vs. Iraj Azizpour (256.00, 1.0191) - Heavyweight
Shinya Aoki (164.75, 1.0023) vs. Saygid Izagakhmaev (169.00, 1.0112) - Lightweight
Yushin Okami (203.75, 1.0014) vs. Aung La N Sang (203.50, 1.0023) - Middleweight
Yuya Wakamatsu (139.00, 1.0023) vs. Woo Sung Hoon (134.25, 1.0074) - Catchweight
Kwon Won Il (144.00, 1.0061) vs. Mark Abelardo (144.75, 1.0036) - Bantamweight
Bruno Chaves (257.75, 1.0036) vs. Ahmed Krnjic (250.50, 1.0244) - Heavyweight
Ahmed Mujtaba (168.75, 1.0009) vs. Abraao Amorim (170.00, 1.0244) - Lightweight
Asahi Shinagawa (126.00, 1.0218) vs. Rui Botelho (124.25, 1.0044) - Catchweight
Milena Sakumoto (116.50, 1.0120) vs. Bianca Basilio (125.00, 1.0207) - Strawweight
Kirill Gorobets (154.00, 1.0087) vs. Bruno Pucci (154.50, 1.0222) - Featherweight
Hydration values less than or equal to 1.0250 earn a passing mark, while values greater than or equal to 1.0251 earn a failing mark. Athletes who failed weight and hydration tests on Day 1 or Day 2 are given another chance to clear tests on the morning of the event.