Park Sung-hwan (Hangul: 박성환; Hanja: 朴成煥; born September 4, 1984 in Jeju-do) is a badminton player from South Korea. Park is the top-ranked men's singles player in South Korea and has succeeded at an international level, winning individual medals at both the 2010 World Championships and the 2010 Asian Games. Career 2004-2007 In 2005, Park won the Indonesia International and then competed at the 2007 BWF World Championships in the men's singles division; for the latter, he was defeated in the third round by Chen Yu, of the China, with a final score of: 15-21, 21-16, 21-15. 2008 In 2008, Park competed in the 2008 Summer Olympic Games in Beijing, China, but was unable to move beyond the first round and second rounds. He was defeated by Taufik Hidayat, Lee Hyun-il, Sho Sasaki (Japan), Lee Chong Wei (Malaysia) and the world number one player at the time, Lin Dan (China). During this year, Park won the Badminton Asia Championships and the Korea International Challenge titles, beating China's Chen Jin (21-18, 21-18) and South Korean, Lee Cheol Ho (21-14, 21-13) respectively. 2009 Park entered the Proton Malaysian Open, held in January, and played the world number one-ranked player at the time, Lee Chong Wei, in the final—Park lost with a score of 14-21, 13-21. The following week, Park joined the Korea Open Super Series and was again stopped by the number-one seed, Lee Chong Wei of Malaysia, with a score of 21-18, 7-21, 16-21 in the quarter-final match. Park skipped the All England Open Super Series and the Wilson Swiss Open Super Series, both held in March. In May, he entered the Li Ning Sudirman Cup, held in China. The Sudirman Cup was a team competition and the South Korean team reached the final in which they played against the Chinese team. Park Sung-hwan was defeated in the final, with a score of 14-21, 18-21, in a match against the Olympic champion, Lin Dan, and lost one point for his team. The South Korean team was eventually awarded the silver medal, having lost 0-3 to China. Park then participated in the Aviva Singapore Open Super Series in April, where he reached the semi-finals. Boonsak Ponsana, from Thailand, eventually won the tournament, beating Park with a score of 19-21, 21-18, 13-21. A week later, Park joined the Djarum Indonesia Open Super Series and lost to the world number one, Lee Chong Wei,