FC Basel v CSKA Sofiya, 01 October 2020
| Score | 3-1 to CSKA Sofiya |
| Referee | Ivan Kružliak |
| Competition | UEFA Europa League Play-off |
| Venue | St Jakob Park, Basel |
Kick-off: 8.30pm local
Due to COVID-19 restrictions, the UEFA Executive Committee decided that all ties played in the Preliminary round, three Qualifying rounds and Play-off round in this season's UEFA Europa League competition should be single-leg matches, hosted by one of the teams decided by draw and played behind closed doors.
1 FC Basel
Manager: Ciriaco Sforza
3 CSKA Sofiya
Manager: Stamen Belchev