Tournament Record - Robert Marshall In Grand Prix
| Played | Winner | Final | Semi-final | Quarter-final | Last 16 | Last 32 | Prize Money | Centuries |
|---|---|---|---|---|---|---|---|---|
| 8 | 0 | 2 | 2 | 6 | 4 | 16 | 4,150 | 0 |
| Tournament | Finish | Prize Money (GBP) |
|---|---|---|
 1994 Grand Prix |
Round 4 | 0 |
| 1993 Grand Prix |
Round 7 | 0 |
| 1992 Grand Prix |
Round 7 | 150 |
| 1991 Grand Prix |
Last 64 | 2,000 |
| 1990 Grand Prix |
Last 64 | 2,000 |
| 1989 Grand Prix |
Last 96 | 0 |
| 1988 Grand Prix |
Last 128 | 0 |
| 1987 Grand Prix |
Last 96 | 0 |