As a legendary figure in the Muay Thai world, TSOI owns countless championship titles and is known as the “Hong Kong Legendary Muay Thai Champion." In 2006, TSOI defeated his opponent Kangvarnlek, another world class Muay Thai champion, in “The Supreme Champions of Muay Thai." His win left a glorious milestone in Hong Kong Muay Thai history. Awarded the “Best Muay Thai Instructor” and the “Best Professional Muay Thai Fighter” by Hong Kong Muay Thai Association.