| Chris Melling defeated Michael Collumb |
2009 PIOS - Event 7 Snooker |
| Xiao Guodong defeated Michael Collumb |
2009 PIOS - Event 6 Snooker |
| Adam Chalkley defeated Michael Collumb |
2008 PIOS - Event 5 Snooker |
| Mike Hallett defeated Michael Collumb |
2008 PIOS - Event 4 Snooker |
| Michael Collumb defeated Darren Bond |
2008 PIOS - Event 4 Snooker |
| Michael Collumb defeated James Murdoch |
2008 PIOS - Event 4 Snooker |
| Brian Cox defeated Michael Collumb |
2008 PIOS - Event 3 Snooker |
| Michael Collumb defeated Grant Cole |
2008 PIOS - Event 3 Snooker |
| Zhang Anda defeated Michael Collumb |
2008 PIOS - Event 2 Snooker |
| David Hogan defeated Michael Collumb |
2008 PIOS - Event 1 Snooker |
| Ross Muir defeated Michael Collumb |
2012 European Tour - Event 5 Snooker |
| Michael Collumb defeated Stephen Baillie |
2012 European Tour - Event 5 Snooker |
| Sanderson Lam defeated Michael Collumb |
2012 EBSA Qualifying Tour - Scotland Snooker |
| Michael Collumb defeated Oliver Lines |
2012 EBSA Qualifying Tour - Scotland Snooker |
| Michael Collumb defeated Kishan Hirani |
2012 EBSA Qualifying Tour - Scotland Snooker |
| Michael Collumb defeated Ryan Causton |
2012 EBSA Qualifying Tour - Scotland Snooker |
| Michael Collumb defeated Chris Norbury |
2012 EBSA Qualifying Tour - Scotland Snooker |
| Alex Davies defeated Michael Collumb |
2013 Q School - Event 1 Snooker |
| Jamie Rhys Clarke defeated Michael Collumb |
2013 Q School - Event 2 Snooker |
| Ben Harrison defeated Michael Collumb |
2013 Q School - Event 3 Snooker |