| Roles | Competed in Olympic Games • Competed in Youth Olympic Games |
|---|---|
| Sex | Male |
| Full name | Jo•Dae-Seong |
| Used name | Jo•Dae-Seong |
| Name order | Oriental |
| Original name | 조•대성 |
| Other names | Cho Dae-Seong |
| Born | 13 October 2002 |
| NOC |  Republic of Korea |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2018 Summer Youth Olympics | Table Tennis | KOR |
Jo Dae-Seong | |||
| Singles, Boys (YOG) | =17 | |||||
| Team, Mixed Youth (YOG) | Choi Hae-Eun | =9 | ||||
| 2024 Summer Olympics | Table Tennis | KOR |
Jo Dae-Seong | |||
| Singles, Men (Olympic) | =33 | |||||
| Team, Men (Olympic) | Republic of Korea | =5 |
