Date of Birth: 
Place of Birth: Ratsada, Trang, Thailand
About Oleydong Sithsamerchai
- Oleydong Sithsamerchai (Thai: ????????? ?????????????; 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.
Read more at Wikipedia