Real Sociedad v AS Monaco, 30 September 2021
| Score | 1-1 |
| Referee | Sergei Ivanov |
| Competition | UEFA Europa League Group B |
| Venue | Reale Arena, San Sebastián |
| Attendance | 23,765 |
Kick-off: 6.45pm local
1 Real Sociedad
Manager: Imanol Alguacil
1 AS Monaco
Manager: Niko Kova