At the age of 15, he joined the Top King Boxing gym in Samut Sakhon, 30 km south of Bangkok.
[4] On 31 January 2015, won by decision against Samy Sana in Nancy, France.
[7] On 20 June 2008, Diesellek won the International Kickboxing Federation (IKF) World Title against Marco Piqué in Montego Bay, Jamaica.
[9] On 19 August 2018, at the occasion of the 3rd Myanmar Lethwei World Championship (MLWC), Diesellek faced current Lethwei World Champion Dave Leduc[10] inside the Thein Pyu Stadium in Yangon, Myanmar.
[12] The matchup was mediatized as Lethwei vs Muaythai and Leduc won by knockout at 2:23 of the first round.