| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2014 Summer Youth Olympics | Swimming (Aquatics) |  JPN |
Yudai Amada | |||
| 400 metres Freestyle, Boys (YOG) | 20 | |||||
| 800 metres Freestyle, Boys (YOG) | 22 | |||||
| 4 × 100 metres Freestyle Relay, Boys (YOG) | Japan | 10 | ||||
| 200 metres Butterfly, Boys (YOG) | 15 | |||||
| 4 × 100 metres Medley Relay, Boys (YOG) | Japan | 7 |
