Tournament Record - Mark Allen In World Under-21 Championship - Men
| Played | Winner | Final | Semi-final | Quarter-final | Last 16 | Last 32 | Prize Money | Centuries |
|---|---|---|---|---|---|---|---|---|
| 3 | 40 | 26 | 68 | 70 | 134 | 118 | 0 | 5 |
| Tournament | Finish | Prize Money (GBP) |
|---|---|---|
 2004 World Under-21 Championship - Men |
Last 32 | 0 |
| 2003 World Under-21 Championship - Men |
Semi-final | 0 |
| 2001 World Under-21 Championship - Men |
Group 1 | 0 |