Head to Head
| Northern Ireland Premier | 2021/01/02 17:30 | Glentoran v Portadown | L | 2-1 |
| Europe Friendlies | 2020/09/15 18:30 | Glentoran v Portadown | L | 3-1 |
| Northern Ireland Cup | 2020/01/04 15:00 | Glentoran v Portadown | L | 7-6 |
| Northern Ireland Premier | 2017/04/22 14:00 | Glentoran v Portadown | L | 3-0 |
| Northern Ireland Premier | 2017/01/03 19:45 | Portadown v Glentoran | L | 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 | L | 0-1 |
| Northern Ireland Premier | 2016/03/19 15:00 | Glentoran v Portadown | L | 2-1 |
Home History
| Northern Ireland Premier | 2021/02/13 17:00 | Portadown v Cliftonville | D | 1-1 |
| Northern Ireland Premier | 2021/02/09 19:45 | Larne FC v Portadown | D | 2-2 |
| Northern Ireland Premier | 2021/02/06 15:00 | Coleraine v Portadown | D | 1-1 |
| Northern Ireland Premier | 2021/02/02 19:45 | Linfield v Portadown | L | 3-0 |
| Northern Ireland Premier | 2021/01/30 15:00 | Portadown v Warrenpoint Town | L | 0-2 |
| Northern Ireland Premier | 2021/01/26 19:45 | Portadown v Crusaders | D | 2-2 |
| Northern Ireland Premier | 2021/01/02 17:30 | Glentoran v Portadown | L | 2-1 |
| Northern Ireland Premier | 2020/12/12 15:00 | Crusaders v Portadown | L | 5-0 |
Away History
| Northern Ireland Premier | 2021/02/06 15:00 | Glentoran v Cliftonville | W | 1-0 |
| Northern Ireland Premier | 2021/02/02 19:45 | Crusaders v Glentoran | L | 1-0 |
| Northern Ireland Premier | 2021/01/29 19:45 | Larne FC v Glentoran | D | 1-1 |
| Northern Ireland Premier | 2021/01/26 19:45 | Glentoran v Carrick Rangers | W | 2-0 |
| Northern Ireland Premier | 2021/01/02 17:30 | Glentoran v Portadown | W | 2-1 |
| Northern Ireland Premier | 2020/12/19 15:00 | Ballymena Utd v Glentoran | D | 1-1 |
| Northern Ireland Premier | 2020/12/15 19:45 | Glentoran v Warrenpoint Town | D | 0-0 |
| Northern Ireland Premier | 2020/12/12 15:00 | Glentoran v Carrick Rangers | W | 6-0 |