Oleydong Sithsamerchai

Oleydong Sithsamerchai (Thai: โอเล่ห์ดง ศักดิ์เสมอชัย; born July 17, 1985 in Tambon Ratsada, Huai Yot District (currently: Ratsada District), Trang Province) is a professional boxer from Thailand. He fights in the strawweight and super flyweight divisions and is the former WBC strawweight World champion. He captured the title on November 29, 2007 by defeating Eagle Den Janlaphan.
He is the first Thai world champion from southern Thailand. Because before that, many Thai boxers from southern Thailand challenged world champion, but without success.
Sithsamerchai won his third title defense on November 28, 2009 by a majority decision over Juan Palacios. He lost the WBC strawweight title on February 11, 2011 to Kazuto Ioka by KO.