AZ Alkmaar v Celtic, 26 August 2021
| Score | 2-1 to AZ Alkmaar |
| Competition | UEFA Europa League Play-off 2nd leg |
| Attendance | 10,041 |
Celtic won 3-2 on aggregate
| Score | 2-1 to AZ Alkmaar |
| Competition | UEFA Europa League Play-off 2nd leg |
| Attendance | 10,041 |