Tournament Record - Masayuki Koshimo In World Amateur Championship - Masters
| Played | Winner | Final | Semi-final | Quarter-final | Last 16 | Last 32 | Prize Money | Centuries |
|---|---|---|---|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tournament | Finish | Prize Money (GBP) |
|---|---|---|
 2012 World Amateur Championship - Masters |
Group 2 | 0 |
| 2010 World Amateur Championship - Masters |
Group 1 | 0 |