| Championship | Event | # | Competitors |
|---|---|---|---|
| National Team Open 2014 | 4x50m Obstacle Relay | 8 |
Japan National Team
(JPN) Kohsuke NAGATAKE, Shun NISHIYAMA, Keisuke OSHIMA , Tsukasa SAKAKIBARA |
| National Team Open 2014 | 4x50m Medley Relay | 8 |
Japan National Team
(JPN) Kohsuke NAGATAKE, Shun NISHIYAMA, Keisuke OSHIMA , Tsukasa SAKAKIBARA |
| National Team Open 2014 | 4x25m Manikin Relay | 9 |
Japan National Team
(JPN) Kohsuke NAGATAKE, Shun NISHIYAMA, Keisuke OSHIMA , Tsukasa SAKAKIBARA |
| National Team Open 2014 | Oceanman/Oceanwoman Relay | 12 |
Japan National Team
(JPN) Kohsuke NAGATAKE, Shun NISHIYAMA, Shinya ODAGIRI, Keisuke OSHIMA |