Neth started training in Muay Thai at the age of 14 with a trainer in his native village of Pang Khon.
Neth then joined the Therdkiatpitak camp where he became a young phenom in the northeast regions of Thailand by winning 30 fights in a row.
He was ranked highly in both the Rajadamnern and Lumpinee Stadiums and defeated many notable Thai champions of his era such as Posai Sitiboonlert, Pudpadnoi Worawut, Poot Lorlek, Khunponnoi Kiatsuriya, Vicharnnoi Porntawee.
[2] Neth also traveled to Los Angeles where he defeated the American WKA world champion Earnest Hart Jr by knockout in 1977.
In 1988 He was invited to compete in Paris where he defeated European champion Mustapha Benatia by knockout, Neth then settled in France where he has been a teacher for over 30 years.