Ko Sung-hyun
Template: Infobox Badminton Player / Maintenance / English
Ko Sung- hyun (Korean 고성현; born May 21, 1987 in Sokcho, Gangwon-do ) is a badminton player from South Korea.
Sporting career
Ko Sung- hyun won the 2007 Vietnam Open in men's doubles with Kwon Yi - goo. The All England 2009, he was number two in mixed doubles with Ha Jung- eun. At the Asia Championships of the same year he won silver with Yoo Yeon- seong. A year later, both were victorious at the Swiss Open. Since the Denmark Open 2012 he plays the men's doubles with Lee Yong -dae.