| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Yasuhiro KOSEKI | 200 L Breast | Finals | 2:07.29 |
| 2 | IPPEI WATANABE | 200 L Breast | Semifinals | 2:07.44 |
| 3 | IPPEI WATANABE | 200 L Breast | Finals | 2:07.47 |
| 4 | Yasuhiro KOSEKI | 200 L Breast | Semifinals | 2:07.80 |
| 5 | Junya Koga | 50 L Back | Semifinals | 24.44 |
| 6 | Kosuke HAGINO | 200 L IM | Finals | 1:56.01 |
| 7 | Kosuke HAGINO | 200 L IM | Semifinals | 1:56.04 |
| 8 | IPPEI WATANABE | 200 L Breast | Prelims | 2:09.30 |
| 9 | Ryosuke IRIE | 100 L Back | Finals | 52.80 |
| 10 | Junya Koga | 50 L Back | Finals | 24.51 |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Junya Koga | 0 | 1 | 0 | – | 952.0 |
| 2 | Yasuhiro KOSEKI | 0 | 1 | 0 | – | 938.3 |
| 3 | Kosuke HAGINO | 0 | 1 | 0 | – | 890.3 |
| 4 | Daiya SETO | 0 | 0 | 2 | – | 933.3 |
| 5 | IPPEI WATANABE | 0 | 0 | 1 | – | 921.0 |
