| Rank | Event | Year | Location | |
| Olympic Games | ||||
| 9 | Singles | 2004 | Athens, GRE | |
| 9 | Doubles M | 2004 | Athens, GRE | |
| World Championships | ||||
| 2 | Team | 2008 | Guangzhou, CHN | |
| 2 | Team | 2006 | Bremen, GER | |
| 2 | Singles | 2003 | Paris, FRA | |
| 3 | Team | 2012 | Dortmund, GER | |
| 3 | Team | 2010 | Moscow, RUS | |
| 3 | Team | 2004 | Doha, QAT | |
| 3 | Team | 2001 | Osaka, JPN | |
| 5 | Singles | 2009 | Yokohama, JPN | |
| 9 | Singles | 2011 | Rotterdam, NED | |
| 17 | Doubles M | 2009 | Yokohama, JPN | |
| 33 | Doubles X | 2009 | Yokohama, JPN | |
| World Cup | ||||
| 3 | Singles | 2011 | Paris, FRA | |
| 5 | Singles | 2008 | Liege, BEL | |
| Asian Games | ||||
| 2 | Team | 2010 | Guangzhou, CHN | |
| 3 | Singles | 2010 | Guangzhou, CHN | |
| ITTF Pro Tour Grand Finals | ||||
| 5 | Singles | 2009 | Macau, CHN | |
| ITTF Pro Tour | ||||
| 2 | Singles | 2012 | Brazilian Open, BRA | |
| 2 | Singles | 2012 | Hungarian Open, HUN | |
| 2 | Singles | 2010 | Korea Open, KOR | |
| 3 | Singles | 2012 | Kuwait Open, KUW | |
| 3 | Singles | 2012 | Qatar Open, QAT | |
| 3 | Singles | 2010 | Japan Open, JPN | |
| 3 | Singles | 2009 | China Open, CHN | |
| 3 | Doubles M | 2009 | Korea Open, KOR | |
Nickname
Master of Defence. (blog.naver.com, 23 Sep 2009)
Hobbies
Billiards, playing with his computer, watching TV. (tt-top12, 10 Aug 2004; ITTF, 10 Oct 2010)
Occupation
Athlete
Education
Hannam University, Daejeon, KOR
Language(s) spoken
Korean, English
Club name
Samsung Life Insurance, China
Coach
Taeksoo Kim (KOR) (dgpp.co.kr, 23 Feb 2011)
Position and style
Classic (ITTF, 10 Oct 2010)
Handedness
Right (tt-top12.de, 10 Aug 2004)
Debut
1997 (ITTF, 10 Oct 2010)
Additional information
Start of sporting career
He started competing at age 10. (ITTF, 10 Oct 2010)
Superstitions / Rituals
He always shakes out his legs before playing. (ITTF, 10 Oct 2010)
Previous Olympics
Athens 2004
