| Competition Results | |||||
| Kosho OSHIMA (JPN) | |||||
| National Championships | |||||
| National Championhsips 2026 | Men | 10 | JPN | ||
| National Championships 2025 | Men | 16 | JPN | ||
| National Championships 2024 | Men | 22 | JPN | ||
| National Championships 2023 | Men | 14 | JPN | ||
| National Championships 2022 | Men, Junior Men, | 16, 5, | JPN, JPN, | ||
| National Championships 2021 | Men, Junior Men, | 18, 5, | JPN, JPN, | ||
| National Championships 2020 | Junior Men | 11 | JPN | ||
| National Championships 2019 | Junior Men | 16 | JPN | ||
| National Championships 2018 | Junior Men | 22 | JPN | ||
| 21/12/2025 15:24:24 UTC | |||||