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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| OPTIMIST | June,2016 | RIKUTA HATTORI | 163 | 257 | Optimist Worlds | View |
| LASER RADIAL | July,2019 | Rikuta Hattori | 32 | 57 | Youth Sailing World Championships Radial M | View |
| LASER RADIAL | July,2019 | Rikuta Hattori | 29 | 54 | Radial Youth Worlds @IntLaserClass - Gold Silver | View |