Tercera ronda
05.08.2021 Omonia Nikosia Omonia Nikosia - FC Flora FC Flora -:-
05.08.2021 Lud. Razgrad / NŠ Mura Lud. Razgrad / NŠ Mura - FK Žalgiris FK Žalgiris -:-
05.08.2021 Crvena Zvezda / FK Kairat Crvena Zvezda / FK Kairat - FC Alashkert / FC Sheriff FC Alashkert / FC Sheriff -:-
05.08.2021 Cluj / Lincoln Red Imps Cluj / Lincoln Red Imps - Young Boys / Slovan Bratislava Young Boys / Slovan Bratislava -:-
05.08.2021 Olympiakos / Neftci Olympiakos / Neftci - HJK Helsinki HJK Helsinki -:-
05.08.2021 FK Jablonec FK Jablonec - Celtic / Midtjylland Celtic / Midtjylland -:-
05.08.2021 Sparta Praha / Rapid Wien Sparta Praha / Rapid Wien - Anorthosis Famagusta Anorthosis Famagusta -:-
05.08.2021 PSV / Galatasaray PSV / Galatasaray - St. Johnstone FC St. Johnstone FC -:-
12.08.2021 FC Flora FC Flora - Omonia Nikosia Omonia Nikosia -:-
12.08.2021 FK Žalgiris FK Žalgiris - Lud. Razgrad / NŠ Mura Lud. Razgrad / NŠ Mura -:-
12.08.2021 FC Alashkert / FC Sheriff FC Alashkert / FC Sheriff - Crvena Zvezda / FK Kairat Crvena Zvezda / FK Kairat -:-
12.08.2021 Young Boys / Slovan Bratislava Young Boys / Slovan Bratislava - Cluj / Lincoln Red Imps Cluj / Lincoln Red Imps -:-
12.08.2021 HJK Helsinki HJK Helsinki - Olympiakos / Neftci Olympiakos / Neftci -:-
12.08.2021 Celtic / Midtjylland Celtic / Midtjylland - FK Jablonec FK Jablonec -:-
12.08.2021 Anorthosis Famagusta Anorthosis Famagusta - Sparta Praha / Rapid Wien Sparta Praha / Rapid Wien -:-
12.08.2021 St. Johnstone FC St. Johnstone FC - PSV / Galatasaray PSV / Galatasaray -:-