Kumpol Sutti (Thai: กำพล สุทธิ; born November 12, 1990), known professionally as Kongsak Sitboonmee or Kongsak P.K.Saenchaimuaythaigym (Thai: ก้องศักดิ์ ศิษย์บุญมี, ก้องศักดิ์ พี.เค.แสนชัยมวยไทยยิม), is a Thai retired Muay Thai fighter.
He was a three-time Lumpinee Stadium champion across two divisions and the 2010 Sports Writers Association of Thailand Fighter of the Year.
[1] Nicknamed "Left of Great Destruction", he was especially known for his powerful middle kicks.
He holds wins over fighters such as Nong-O Kaiyanghadaogym, Pornsanae Sitmonchai, Pakorn PKSaenchaimuaythaigym and Jomthong Chuwattana.
Kongsak started training at age of 9, having been discovered by his famous uncle Changpuek Kiatsongrit.