| Result | Tournament |
|---|---|
| Carl Waters defeated Geoff Grennan | 1993 Welsh Open Snooker |
| Tony Emmott defeated Geoff Grennan | 1992 World Championship Snooker |
| Geoff Grennan defeated Barry Zee | 1992 World Championship Snooker |
| Michael Judge defeated Geoff Grennan | 1992 UK Championship Snooker |
| Garry Baldrey defeated Geoff Grennan | 1992 Grand Prix Snooker |
| Geoff Grennan defeated Richard Pipe | 1992 Grand Prix Snooker |
| Geoff Grennan defeated Mark Williams | 1992 Grand Prix Snooker |
| Chris Achilles defeated Geoff Grennan | 1992 British Open Snooker |
| Vince McCluskey defeated Geoff Grennan | 1991 UK Championship Snooker |
| Mark Flowerdew defeated Geoff Grennan | 1991 Grand Prix Snooker |