| Result | Tournament |
|---|---|
| Lasse Munstermann defeated Gary Thomson | 2010 World Open Snooker |
| David Grace defeated Gary Thomson | 2010 PTC - Event 6 Snooker |
| Shaun Murphy defeated Gary Thomson | 2010 EPTC - Event 4 Snooker |
| Adam Chalkley defeated Gary Thomson | 2008 PIOS - Event 8 Snooker |
| Mitchell Mann defeated Gary Thomson | 2007 PIOS - Event 5 Snooker |
| Stuart Carrington defeated Gary Thomson | 2007 PIOS - Event 4 Snooker |
| Bobby Cruickshanks defeated Gary Thomson | 2007 PIOS - Event 3 Snooker |
| Gary Thomson defeated Lasse Munstermann | 2007 PIOS - Event 3 Snooker |
| Gary Thomson defeated Anthony McGill | 2007 PIOS - Event 3 Snooker |
| Gary Thomson defeated Robbie Williams | 2007 PIOS - Event 3 Snooker |
| Adam Duffy defeated Gary Thomson | 2007 PIOS - Event 2 Snooker |
| Gary Thomson defeated Lee Page | 2007 PIOS - Event 2 Snooker |
| Gary Thomson defeated Michael Wild | 2007 PIOS - Event 2 Snooker |
| Gary Thomson defeated Mike Hallett | 2007 PIOS - Event 2 Snooker |
| Lee Farebrother defeated Gary Thomson | 2007 PIOS - Event 1 Snooker |
| Gary Thomson defeated Stuart Wood | 2007 PIOS - Event 1 Snooker |
| David Lilley defeated Gary Thomson | 2005 World Championship Snooker |
| Alex Davies defeated Gary Thomson | 2005 PIOS - Event 2 Snooker |
| Gary Thomson defeated Matthew Barnes | 2005 PIOS - Event 2 Snooker |
| Gary Thomson defeated Jimmy Robertson | 2005 PIOS - Event 2 Snooker |
| Gary Wilkinson defeated Gary Thomson | 2005 PIOS - Event 1 Snooker |
| Matthew Barnes defeated Gary Thomson | 2005 Challenge Tour - Event 4 Snooker |
| Bradley Jones defeated Gary Thomson | 2005 Challenge Tour - Event 3 Snooker |
| Gary Thomson defeated Jeff Cundy | 2005 Challenge Tour - Event 3 Snooker |
| Lee Walker defeated Gary Thomson | 2004 World Championship Snooker |
| Gary Thomson defeated Luke Fisher | 2004 World Championship Snooker |
| Stuart Pettman defeated Gary Thomson | 2004 Welsh Open Snooker |
| Gary Thomson defeated Shaun Murphy | 2004 Welsh Open Snooker |
| Gary Thomson defeated Rory McLeod | 2004 Welsh Open Snooker |
| Gary Thomson defeated Billy Snaddon | 2004 Welsh Open Snooker |
| Barry Pinches defeated Gary Thomson | 2004 Players Championship Snooker |
| Gary Thomson defeated Marcus Campbell | 2004 Players Championship Snooker |
| Gary Thomson defeated Stuart Mann | 2004 Players Championship Snooker |
| Gary Thomson defeated Andrew Norman | 2004 Players Championship Snooker |
| Billy Snaddon defeated Gary Thomson | 2004 Irish Masters Snooker |
| Terry Murphy defeated Gary Thomson | 2004 European Open Snooker |
| James Mifsud defeated Gary Thomson | 2004 Challenge Tour - Event 2 Snooker |
| Bryngmar Valdimarsson defeated Gary Thomson | 2004 Challenge Tour - Event 1 Snooker |
| Darryn Walker defeated Gary Thomson | 2003 World Championship Snooker |
| Andrew Higginson defeated Gary Thomson | 2003 UK Championship Snooker |
| Gary Thomson defeated Luke Fisher | 2003 UK Championship Snooker |
| Brian Morgan defeated Gary Thomson | 2003 Masters Qualifying Event Snooker |
| Gary Thomson defeated Alfie Burden | 2003 Masters Qualifying Event Snooker |
| Gary Thomson defeated Kuldesh Johal | 2003 Masters Qualifying Event Snooker |
| Paul Davies defeated Gary Thomson | 2003 LG Cup Snooker |
| Sunit Vaswani defeated Gary Thomson | 2003 Challenge Tour - Event 4 Snooker |
| Gary Thomson defeated Michael Wild | 2003 Challenge Tour - Event 4 Snooker |
| Luke Simmonds defeated Gary Thomson | 2003 Challenge Tour - Event 3 Snooker |
| Gary Thomson defeated Martin Gould | 2003 Challenge Tour - Event 3 Snooker |
| Gary Thomson defeated Stephen Rowlings | 2003 Challenge Tour - Event 3 Snooker |