Yun Gyu-Seong
Biographical details
| Code | |
|---|---|
| Gender | Male |
| Used name | Yun•Gyu-Seong |
| Other names | 윤규성 |
| Name order | Oriental |
| Born | 4 August 2002 |
Results
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Taekwondo | 2026 Asian Games | Nagoya |  JPN |
Poomsae Recognized, Men | 🥇 |  KOR |