Kongnapa started to train in Muay Thai at the age of 15 in a local camp of his native province.
[2] In the late 1990s Kongnapa moved to the United States where he became a trainer at Roufusport in Milwaukee, Wisconsin and kept competing on the local scene.
[4] On February 26, 2000, Kongnapa defended his IKF PRo Muay Thai World title against Dmitry Shakuta from Belarus.
[5] On November 10, 2000, Kongnapa regained the IKF Muay Thai World title he had involuntarily vacated when he defeated Pedro Villalobos by TKO in the second round.
[7] Kongnapa is a trainer in the United States, when he resided in Las Vegas he trained former boxing world champion Riddick Bowe for his Muay Thai debut in 2013.