Head to Head
| Northern Ireland Premier | 2023/04/01 14:00 | Glentoran v Portadown | L | 5-1 |
| Northern Ireland Cup | 2023/02/04 15:00 | Portadown v Glentoran | L | 0-3 |
| Northern Ireland Premier | 2022/11/26 15:00 | Portadown v Glentoran | L | 0-2 |
| Northern Ireland Premier | 2022/08/26 18:45 | Portadown v Glentoran | L | 0-3 |
| Northern Ireland Premier | 2022/02/08 19:45 | Portadown v Glentoran | D | 1-1 |
| Northern Ireland Premier | 2021/12/04 15:00 | Glentoran v Portadown | L | 3-1 |
| Northern Ireland Premier | 2021/10/23 14:00 | Glentoran v Portadown | D | 2-2 |
| Northern Ireland Premier | 2021/04/03 14:00 | Glentoran v Portadown | L | 4-0 |
Home History
| Northern Ireland Premier | 2024/08/11 14:00 | Cliftonville v Portadown | L | 1-0 |
| UK Friendlies | 2024/07/20 14:00 | HW Welders v Portadown | W | 1-2 |
| Club Friendly List | 2024/07/09 18:30 | Ballyclare Comrades v Portadown | D | 1-1 |
| Club Friendly List | 2024/07/06 12:00 | Stranraer v Portadown | L | 1-0 |
| Northern Ireland Championship | 2024/04/26 18:45 | Portadown v Institute | L | 0-1 |
| Northern Ireland Championship | 2024/04/20 14:00 | Portadown v Dundela | D | 1-1 |
| Northern Ireland Championship | 2024/04/13 14:00 | Portadown v HW Welders | W | 3-1 |
| Northern Ireland Championship | 2024/04/06 14:00 | Portadown v Annagh United | L | 2-4 |
Away History
| Northern Ireland Premier | 2024/08/09 18:45 | Glentoran v Crusaders | L | 0-1 |
| UK Friendlies | 2024/07/27 14:00 | Ballyclare Comrades v Glentoran | W | 0-6 |
| UK Friendlies | 2024/07/19 18:30 | Dundela v Glentoran | W | 0-3 |
| Club Friendly List | 2024/07/14 14:00 | HW Welders v Glentoran | W | 0-2 |
| Northern Ireland Play-Offs | 2024/05/01 18:45 | Glentoran v Coleraine | L | 0-3 |
| Northern Ireland Premier | 2024/04/27 16:30 | Glentoran v Crusaders | W | 4-0 |
| Northern Ireland Premier | 2024/04/20 14:00 | Cliftonville v Glentoran | L | 2-0 |
| Northern Ireland Premier | 2024/04/16 18:45 | Glentoran v Larne FC | L | 1-2 |