At the age of 16, he achieved impressive victories over notable Thai champions such as Aekmongkol, Kwankao, Jaisoo, Tingtong, and Yodtuantong.
[4] Yodkhunpon challenged Capitan Petchyindee Academy for his Lumpinee Stadium Super Welterweight title on January 3, 2020.
Yodkhunpon faced Sajad Sattari for the vacant Rajadamnern Stadium Welterweight (147 lbs) Championship on April 15, 2023.
[9] Beyond his commitment to Muay Thai, Yodkhunpon Sitmonchai has pursued higher education at Rattana Bandit University, where he completed an undergraduate degree in Business Accounting.
In February 2023 he achieved his dream of opening his own gym, Yodkhunpon Fight Club, which is located an hour outside of Bangkok in Om Yai, Nakhon Pathom.