| Result | Tournament |
|---|---|
| Sanjay Meghani defeated John Gallagher | 2003 World Championship Snooker |
| Del Smith defeated John Gallagher | 2003 Challenge Tour - Event 4 Snooker |
| Stuart Roper defeated John Gallagher | 2003 Challenge Tour - Event 3 Snooker |
| James Leadbetter defeated John Gallagher | 2003 Challenge Tour - Event 2 Snooker |
| Matthew Barnes defeated John Gallagher | 2002 World Championship Snooker |
| John Gallagher defeated Chris Shade | 2002 World Championship Snooker |
| Ryan Day defeated John Gallagher | 2002 Challenge Tour - Event 4 Snooker |
| John Gallagher defeated Grant Conquest | 2002 Challenge Tour - Event 4 Snooker |
| John Gallagher defeated Mark Carrington | 2002 Challenge Tour - Event 4 Snooker |
| David Grimwood defeated John Gallagher | 2002 Challenge Tour - Event 3 Snooker |
| Scott MacKenzie defeated John Gallagher | 2002 Challenge Tour - Event 1 Snooker |
| John Gallagher defeated Paul Cavney | 2002 Challenge Tour - Event 1 Snooker |
| Gerard Greene defeated John Gallagher | 2002 Benson and Hedges Championship Snooker |
| John Gallagher defeated Ali Bassiri | 2002 Benson and Hedges Championship Snooker |
| Jonathan Nelson defeated John Gallagher | 2001 Challenge Tour - Event 2 Snooker |
| Ian Brumby defeated John Gallagher | 2001 Benson and Hedges Championship Snooker |
| Lee Spick defeated John Gallagher | 2000 World Championship Snooker |
| John Gallagher defeated Lee Farebrother | 2000 World Championship Snooker |
| Philip Williams defeated John Gallagher | 2000 UK Tour - Event 3 Snooker |
| Oliver King defeated John Gallagher | 2000 Challenge Tour - Event 1 Snooker |
| Marco Fu defeated John Gallagher | 1998 World Championship Snooker |
| Wayne Cooper defeated John Gallagher | 1998 UK Tour - Event 1 Snooker |
| Jason Wallace defeated John Gallagher | 1997 Benson and Hedges Championship Snooker |
| John Gallagher defeated Justin Buckingham | 1997 Benson and Hedges Championship Snooker |
| John Gallagher defeated Scot Kearney | 1997 Benson and Hedges Championship Snooker |
| John Gallagher defeated Ben Flack | 1997 Benson and Hedges Championship Snooker |