Tournament Record - Mark Johnston-Allen In Welsh Open
| Played | Winner | Final | Semi-final | Quarter-final | Last 16 | Last 32 | Prize Money | Centuries |
|---|---|---|---|---|---|---|---|---|
| 7 | 0 | 6 | 4 | 6 | 16 | 18 | 4,450 | 0 |
| Tournament | Finish | Prize Money (GBP) |
|---|---|---|
 1999 Welsh Open |
Round 2 | 0 |
| 1997 Welsh Open |
Last 64 | 1,275 |
| 1996 Welsh Open |
Last 64 | 1,190 |
| 1995 Welsh Open |
Last 64 | 1,060 |
| 1994 Welsh Open |
Last 64 | 375 |
| 1993 Welsh Open |
Last 64 | 550 |
| 1992 Welsh Open |
Last 96 | 0 |