| Result | Tournament |
|---|---|
| Barry Hawkins defeated Fergal O'Brien | 2013 Wuxi Classic Snooker |
| Fergal O'Brien defeated Ben Harrison | 2013 Wuxi Classic Snooker |
| Ian Burns defeated Fergal O'Brien | 2013 World Open Snooker |
| Jack Lisowski defeated Fergal O'Brien | 2013 World Championship Snooker |
| Graeme Dott defeated Fergal O'Brien | 2013 Welsh Open Snooker |
| Fergal O'Brien defeated Nigel Bond | 2013 Welsh Open Snooker |
| Alan McManus defeated Fergal O'Brien | 2013 Snooker Shootout Snooker |
| Dechawat Poomjaeng defeated Fergal O'Brien | 2013 German Masters Snooker |
| Joel Walker defeated Fergal O'Brien | 2013 European Tour - Event 6 Snooker |
| John Higgins defeated Fergal O'Brien | 2013 European Tour - Event 1 Snooker |
| Fergal O'Brien defeated Stuart Carrington | 2013 European Tour - Event 1 Snooker |
| Fergal O'Brien defeated Ben Woollaston | 2013 European Tour - Event 1 Snooker |
| Fergal O'Brien defeated Steve Davis | 2013 European Tour - Event 1 Snooker |
| Fergal O'Brien defeated Allan Taylor | 2013 European Tour - Event 1 Snooker |
| Dechawat Poomjaeng defeated Fergal O'Brien | 2013 China Open Snooker |
| Dominic Dale defeated Fergal O'Brien | 2013 Australian Open Snooker |
| Fergal O'Brien defeated Ricky Walden | 2013 Australian Open Snooker |
| Fergal O'Brien defeated James Wattana | 2013 Australian Open Snooker |
| Marcus Campbell defeated Fergal O'Brien | 2012 Wuxi Classic Snooker |
| Fergal O'Brien defeated Allister Carter | 2012 Wuxi Classic Snooker |
| Fergal O'Brien defeated Lu Haotian | 2012 Wuxi Classic Snooker |
| Fergal O'Brien defeated Gerard Greene | 2012 Wuxi Classic Snooker |
| Nigel Bond defeated Fergal O'Brien | 2012 World Open Snooker |
| David Gilbert defeated Fergal O'Brien | 2012 World Championship Snooker |
| Judd Trump defeated Fergal O'Brien | 2012 Welsh Open Snooker |
| Fergal O'Brien defeated Mike Dunn | 2012 Welsh Open Snooker |
| Stephen Maguire defeated Fergal O'Brien | 2012 UK Championship Snooker |
| Fergal O'Brien defeated David Gilbert | 2012 UK Championship Snooker |
| Barry Hawkins defeated Fergal O'Brien | 2012 Snooker Shootout Snooker |
| Fergal O'Brien defeated Shaun Murphy | 2012 Snooker Shootout Snooker |
| Chen Feilong defeated Fergal O'Brien | 2012 Shanghai Masters Snooker |
| Fergal O'Brien defeated Rod Lawler | 2012 Shanghai Masters Snooker |
| Joe Perry defeated Fergal O'Brien | 2012 PTC Grand Final Snooker |
| Gerard Greene defeated Fergal O'Brien | 2012 PTC - Event 4 Snooker |
| Fergal O'Brien defeated Ronnie O'Sullivan | 2012 PTC - Event 4 Snooker |
| Dominic Dale defeated Fergal O'Brien | 2012 PTC - Event 3 Snooker |
| Fergal O'Brien defeated Ken Doherty | 2012 PTC - Event 3 Snooker |
| Fergal O'Brien defeated Michael Holt | 2012 PTC - Event 3 Snooker |
| Fergal O'Brien defeated Gary Wilson | 2012 PTC - Event 3 Snooker |
| Fergal O'Brien defeated Andrew Pagett | 2012 PTC - Event 3 Snooker |
| Liang Wenbo defeated Fergal O'Brien | 2012 PTC - Event 2 Snooker |
| Fergal O'Brien defeated Adrian Gunnell | 2012 PTC - Event 2 Snooker |
| Marco Fu defeated Fergal O'Brien | 2012 PTC - Event 12 Snooker |
| Fergal O'Brien defeated Stuart Wood | 2012 PTC - Event 12 Snooker |
| Robbie Williams defeated Fergal O'Brien | 2012 PTC - Event 1 Snooker |
| Fergal O'Brien defeated Floyd Ziegler | 2012 PTC - Event 1 Snooker |
| Judd Trump defeated Fergal O'Brien | 2012 International Championship Snooker |
| Fergal O'Brien defeated Chen Feilong | 2012 International Championship Snooker |
| Fergal O'Brien defeated Mark King | 2012 International Championship Snooker |
| Liu Song defeated Fergal O'Brien | 2012 German Masters Snooker |