 Northern Ireland: NIFL Premiership - Main |
|---|
| 9. Round | Glentoran | Coleraine | 2:2 (0:1, 2:1) | details | 16.10.2021 |
| Northern Ireland: Irish League Cup - Main |
|---|
| 1/8-finals | Glenavon | Glentoran | 2:3 PEN. (0:0, 0:0, 2:2, 4:5) | details | 13.10.2021 |
| Northern Ireland: NIFL Premiership - Main |
|---|
| 7. Round | Glenavon | Glentoran | 1:2 (0:1, 1:1) | details | 02.10.2021 |
| 2. Round | Glentoran | Linfield | 0:3 (0:2, 0:1) | details | 28.09.2021 |
| 6. Round | Glentoran | Crusaders | 0:3 (0:1, 0:2) | details | 25.09.2021 |
| 5. Round | Warrenpoint | Glentoran | 0:3 (0:2, 0:1) | details | 18.09.2021 |
| Northern Ireland: Irish League Cup - Main |
|---|
| 1/16-finals | Glentoran | Banbridge | 5:0 (4:0, 1:0) | details | 14.09.2021 |
 World: Club Friendly - Main |
|---|
| | Glentoran | Crusaders | 3:1 (0:1, 3:0) | details | 21.08.2021 |
| | Glentoran | Warrenpoint | 4:0 (2:0, 2:0) | details | 17.08.2021 |
| | Glentoran | Coleraine | 0:1 (0:0, 0:1) | details | 14.08.2021 |
| | Dundela | Glentoran | 1:3 (1:2, 0:1) | details | 03.08.2021 |
 Europe: Europa Conference League - Qualification |
|---|
| 1/8-finals - 2nd leg | TNS | Glentoran | 2:0 (2:0, 0:0) | details | 15.07.2021 |
| 1/8-finals - 1st leg | Glentoran | TNS | 1:1 (0:1, 1:0) | details | 08.07.2021 |
| World: Club Friendly - Main |
|---|
| | Glentoran | Dundela | 3:0 (1:0, 2:0) | details | 02.07.2021 |
| Northern Ireland: Irish Cup - Main |
|---|
| Quarter-finals | Glentoran | Crusaders | 0:1 (0:1, 0:0) | details | 11.05.2021 |
| 1/8-finals | Glentoran | Cliftonville | 1:0 (0:0, 1:0) | details | 08.05.2021 |
| 1/16-finals | Glentoran | Dundela | WO. | details | 27.04.2021 |
