Head to Head
| Northern Ireland Premier | 2017/04/22 14:00 | Glentoran v Portadown | W | 3-0 |
| Northern Ireland Premier | 2017/01/03 19:45 | Portadown v Glentoran | W | 0-5 |
| Northern Ireland Premier | 2016/11/05 15:00 | Glentoran v Portadown | D | 0-0 |
| Northern Ireland Premier | 2016/08/20 14:00 | Portadown v Glentoran | W | 0-1 |
| Northern Ireland Premier | 2016/03/19 15:00 | Glentoran v Portadown | W | 2-1 |
| Northern Ireland Premier | 2015/12/14 19:45 | Portadown v Glentoran | L | 5-3 |
| Northern Ireland Premier | 2015/09/12 14:00 | Glentoran v Portadown | W | 1-0 |
| Northern Ireland Cup | 2015/05/02 13:30 | Glentoran v Portadown | W | 1-0 |
| Northern Ireland Premier | 2015/04/11 14:00 | Glentoran v Portadown | D | 0-0 |
| Northern Ireland Premier | 2015/03/07 15:00 | Portadown v Glentoran | D | 1-1 |
| Northern Ireland Premier | 2014/11/29 15:00 | Portadown v Glentoran | L | 3-1 |
| Northern Ireland Premier | 2014/09/02 18:45 | Glentoran v Portadown | D | 1-1 |
| Northern Ireland Premier | 2014/04/26 14:00 | Portadown v Glentoran | W | 1-2 |