Here are the full fixtures for the round:
Qarabag FK vs FC Copenhagen
Apoel FC vs Slavia Prague
Olympiakos vs Rijeka
Celtic vs Astana
Hapoel Beer-Sheva vs Maribor
Istanbul Basaksehir vs Sevilla
Young Boys vs CSKA Moscow
Napol vs Nice
Hoffenheim vs Liverpool
Sporting Lisbon vs Fotbal Club FCSB
The first leg matches will take place on August 15/16.
The return leg will be played the following week on August 22/23.
However, the all important draw for the group stage, happens on August 24.