| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Daiya SETO | 400 S IM | Timed Finals | 3:57.25 |
| 2 | Daiya SETO | 200 S IM | Finals | 1:51.09 |
| 3 | Daiya SETO | 100 S IM | Finals | 51.40 |
| 4 | Ryosuke IRIE | 100 S Back | Finals | 50.22 |
| 5 | Yuya YAJIMA | 200 S Fly | Finals | 1:51.87 |
| 6 | Daiya SETO | 200 S Breast | Finals | 2:04.19 |
| 7 | Hayato WATANABE | 100 S Breast | Finals | 57.55 |
| 8 | Hayato WATANABE | 100 S Breast | Prelims | 57.71 |
| 9 | Hayato WATANABE | 200 S Breast | Finals | 2:05.01 |
| 10 | KAZUKI KOHINATA | 200 S Breast | Finals | 2:05.17 |
| Name | Event | Round | Time |
No relays to show |
|---|---|---|---|---|
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Daiya SETO | 2 | 1 | 1 | – | 947.0 |
| 2 | Ryosuke IRIE | 0 | 3 | 0 | – | 868.0 |
| 3 | Yuya YAJIMA | 0 | 1 | 0 | – | 807.5 |
| 4 | Kosuke MATSUI | 0 | 0 | 1 | – | 842.4 |
| 5 | Hayato WATANABE | 0 | 0 | 0 | – | 880.7 |
