Tournament Record - Ian Williamson In British Open
| Played | Winner | Final | Semi-final | Quarter-final | Last 16 | Last 32 | Prize Money | Centuries |
|---|---|---|---|---|---|---|---|---|
| 11 | 0 | 0 | 2 | 0 | 4 | 10 | 2,876 | 0 |
| Tournament | Finish | Prize Money (GBP) |
|---|---|---|
 1996 British Open |
Round 3 | 0 |
| 1994 British Open |
Last 128 | 260 |
| 1993 British Open |
Round 7 | 100 |
| 1992 British Open |
Round 5 | 0 |
| 1991 British Open |
Last 128 | 0 |
| 1990 British Open |
Last 96 | 0 |
| 1989 British Open |
Last 128 | 0 |
| 1988 British Open |
Last 64 | 1,313 |
| 1987 British Open |
Last 96 | 0 |
| 1986 British Open |
Last 64 | 1,203 |
| 1985 British Open |
Last 96 | 0 |