| Code | TTN-M-000774 | 
|---|---|
| Gender | Male | 
| Used name | SeoโขHyeon-Deok | 
| Other names | ์ ํ๋ | 
| Name order | Oriental | 
| Born | 9 May 1991 | 
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Table Tennis | 2009 East Asian Games | Hong Kong | Team, Men | ๐ฅ | |||
| Table Tennis | 2011 Asian Table Tennis Championships | Macau | Team, Men | ๐ฅ | |||
| Table Tennis | 2013 Asian Table Tennis Championships | Busan | Team, Men | ๐ฅ | |||
| Table Tennis | 2013 East Asian Games | Tianjin | Team, Men | ๐ฅ | |||
| Table Tennis | 2013 East Asian Games | Tianjin | Doubles, Mixed | ๐ฅ | |||
| Table Tennis | 2015 World Table Tennis Championships | Suzhou | Doubles, Men | ๐ฅ |