Tournament Record - Mark O'Sullivan In World Championship
| Played | Winner | Final | Semi-final | Quarter-final | Last 16 | Last 32 | Prize Money | Centuries |
|---|---|---|---|---|---|---|---|---|
| 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4,350 | 1 |
| Tournament | Finish | Prize Money (GBP) |
|---|---|---|
 1997 World Championship |
Round 4 | 0 |
| 1996 World Championship |
Round 5 | 0 |
| 1995 World Championship |
Round 2 | 0 |
| 1994 World Championship |
Last 64 | 3,500 |
| 1993 World Championship |
Last 128 | 850 |