| Michael Georgiou defeated Declan Brennan |
2010 PIOS - Event 8 Snooker |
| Nathan Williams defeated Declan Brennan |
2010 PIOS - Event 7 Snooker |
| Martin O'Donnell defeated Declan Brennan |
2010 PIOS - Event 6 Snooker |
| Declan Brennan defeated Ian Brumby |
2010 PIOS - Event 6 Snooker |
| Lee Farebrother defeated Declan Brennan |
2009 PIOS - Event 5 Snooker |
| Stuart Watson defeated Declan Brennan |
2009 PIOS - Event 4 Snooker |
| Farakh Ajaib defeated Declan Brennan |
2009 PIOS - Event 3 Snooker |
| Vinnie Calabrese defeated Declan Brennan |
2009 PIOS - Event 2 Snooker |
| Declan Brennan defeated Alex Taubman |
2009 PIOS - Event 2 Snooker |
| Declan Brennan defeated Michael Georgiou |
2009 PIOS - Event 2 Snooker |
| Adam Duffy defeated Declan Brennan |
2009 PIOS - Event 1 Snooker |
| Jonathan Friel defeated Declan Brennan |
2011 PTC - Event 8 Snooker |
| Martin O'Donnell defeated Declan Brennan |
2012 Q School - Event 1 Snooker |
| Jordan Brown defeated Declan Brennan |
2012 Q School - Event 2 Snooker |
| Duane Jones defeated Declan Brennan |
2012 Q School - Event 3 Snooker |
| Declan Brennan defeated Chen Zhe |
2012 Q School - Event 3 Snooker |