Tournament Record - Ronnie O'Sullivan In World Under-21 Championship - Men
| Played | Winner | Final | Semi-final | Quarter-final | Last 16 | Last 32 | Prize Money | Centuries |
|---|---|---|---|---|---|---|---|---|
| 1 | 160 | 86 | 90 | 156 | 92 | 100 | 0 | 1 |
| Tournament | Finish | Prize Money (GBP) |
|---|---|---|
 1991 World Under-21 Championship - Men |
Winner | 0 |