| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Daiya SETO | 200 S Fly | Finals | 1:50.33 |
| 2 | Masaki KANEKO | 100 S Back | Finals | 49.92 |
| 3 | Kosuke HAGINO | 200 S IM | Finals | 1:52.65 |
| 4 | Kosuke HAGINO | 400 S IM | Finals | 4:02.99 |
| 5 | Yasuhiro KOSEKI | 100 S Breast | Finals | 57.53 |
| 6 | Masaki KANEKO | 200 S Back | Finals | 1:50.04 |
| 7 | Kosuke HAGINO | 100 S IM | Finals | 52.55 |
| 8 | Katsumi NAKAMURA | 100 S Free | Finals | 47.00 |
| 9 | Junya Koga | 50 S Back | Finals | 23.25 |
| 10 | Yasuhiro KOSEKI | 100 S Breast | Prelims | 58.22 |
| Name | Event | Round | Time |
No relays to show |
|---|---|---|---|---|
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Kosuke HAGINO | 3 | 0 | 1 | – | 889.0 |
| 2 | Masaki KANEKO | 2 | 1 | 0 | – | 886.3 |
| 3 | Daiya SETO | 2 | 1 | 0 | – | 839.6 |
| 4 | Yasuhiro KOSEKI | 2 | 0 | 0 | – | 781.5 |
| 5 | Junya Koga | 1 | 1 | 0 | – | 800.0 |
