| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | HIDEMASA SANO | 200 S Fly | Finals | 1:51.33 |
| 2 | Daiya SETO | 400 S IM | Timed Finals | 4:03.33 |
| 3 | Naoya Tomita | 200 S Breast | Finals | 2:05.13 |
| 4 | Daiya SETO | 200 S IM | Finals | 1:54.65 |
| 5 | HIDEMASA SANO | 200 S Fly | Prelims | 1:53.70 |
| 6 | HIDEMASA SANO | 200 S IM | Finals | 1:55.01 |
| 7 | Kazuki OTSUKA | 200 S Breast | Finals | 2:06.36 |
| 8 | Kazuki OTSUKA | 200 S Breast | Prelims | 2:07.44 |
| 9 | Yuma KOSAKA | 100 S IM | Finals | 53.80 |
| 10 | Yuya HORIHATA | 400 S IM | Timed Finals | 4:09.83 |
| Name | Event | Round | Time |
No relays to show |
|---|---|---|---|---|
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Daiya SETO | 1 | 1 | 0 | – | 896.0 |
| 2 | HIDEMASA SANO | 1 | 0 | 1 | – | 881.7 |
| 3 | Naoya Tomita | 1 | 0 | 1 | – | 862.5 |
| 4 | Yuma KOSAKA | 0 | 1 | 0 | – | 824.0 |
| 5 | Kazuki OTSUKA | 0 | 0 | 1 | – | 819.0 |
