Tournament Record - Atthasit Mahitthi In Thailand Amateur Championship
| Played | Winner | Final | Semi-final | Quarter-final | Last 16 | Last 32 | Prize Money | Centuries |
|---|---|---|---|---|---|---|---|---|
| 3 | 0 | 0 | 2 | 0 | 0 | 14 | 0 | 1 |
| Tournament | Finish | Prize Money (GBP) |
|---|---|---|
 2011 Thailand Amateur Championship |
Semi-final | 0 |
| 2010 Thailand Amateur Championship |
Quarter-final | 0 |
| 2002 Thailand Amateur Championship |
Quarter-final | 0 |