Tournament Record - Mark Johnston-Allen In British Open
| Played | Winner | Final | Semi-final | Quarter-final | Last 16 | Last 32 | Prize Money | Centuries |
|---|---|---|---|---|---|---|---|---|
| 10 | 0 | 6 | 4 | 6 | 16 | 18 | 22,965 | 1 |
| Tournament | Finish | Prize Money (GBP) |
|---|---|---|
 1999 British Open |
Round 1 | 0 |
| 1997 British Open |
Last 96 | 775 |
| 1996 British Open |
Last 16 | 4,550 |
| 1995 British Open |
Last 64 | 1,900 |
| 1994 British Open |
Last 32 | 1,600 |
| 1993 British Open |
Last 64 | 1,000 |
| 1992 British Open |
Last 16 | 6,000 |
| 1991 British Open |
Last 96 | 250 |
| 1990 British Open |
Last 64 | 1,640 |
| 1989 British Open |
Last 16 | 5,250 |