See how the UEFA Europa League groups stand ahead of Matchday 5.
Confirmed in top two: Arsenal, Fenerbahçe, Rennes, Real Betis, Real Sociedad, Freiburg
Can be confirmed in top two on Matchday 5: PSV Eindhoven, Ludogorets, Union SG, Braga, Man United, Qarabag, Ferencváros, Trabzonspor
Could be out of contention to finish in the top two but still finish third and reach the Europa Conference League after Matchday 5: Bodø/Glimt, Roma, Union Berlin, Sheriff, Nantes, Monaco, Crvena zvezda
Cannot finish in top two but can still finish third and reach the Europa Conference League: Zürich, AEK Larnaca, Dynamo Kyiv, HJK, Omonoia, Olympiacos
Confirmed in fourth place: Malmö
Group A
Arsenal are confirmed in the top two. They will be confirmed in the round of 16 as group winners if they avoid defeat.
PSV will be confirmed in the top two if they avoid defeat and Bodø/Glimt lose, or if they win and Bodø/Glimt draw.
Bodø/Glimt will be unable to finish in the top two if they lose and PSV avoid defeat. If Bodø/Glimt draw and PSV win then Bodø/Glimt will finish third and reach the Europa Conference League.
Zürich are unable to finish in the top two. They will be confirmed in fourth if they do not win.
Group B
Fenerbahçe are confirmed in the top two. They will be confirmed in the round of 16 as group winners if they win. They will be confirmed in the knockout round play-offs as runners-up if they lose.
Rennes are confirmed in the top two. They will be confirmed in the round of 16 as group winners if they win. They will be confirmed in the knockout round play-offs as runners-up if they lose.
AEK Larnaca cannot finish in the top two. They will be confirmed in the Uefa Europa Conference League knockout round play-offs in third place if they avoid defeat.
Dynamo Kyiv cannot finish in the top two. They will be confirmed in fourth place if they do not win.
Group C
Betis are confirmed in the top two. They will be confirmed in the round of 16 as group winners if they avoid defeat.
Ludogorets will be confirmed in the top two if they win and Roma do not. Ludogorets will be confirmed in the Europa League knockout round play-offs as runners-up if they draw and Roma lose.
Roma will be unable to finish in the top two, but still able to finish third, if they lose and Ludogorets avoid defeat. They will be confirmed in third place and reach the Europa Conference League knockout round play-offs if they draw and Ludogorets win.
HJK cannot finish in the top two. They will be confirmed in fourth place if they do not win.
Group D
Union SG will be confirmed in the top two if they avoid defeat, or if the other game is not drawn. Union SG will be confirmed in the round of 16 as group winners if they win or if both games are drawn.
Braga will be confirmed in the top two if they win. They will be confirmed in the Europa League knockout round play-offs as group runners-up if both they and Union SG win.
Union Berlin will be confirmed in third place and enter the Europa Conference League knockout round play-offs if they lose.
Malmö will finish fourth.
Group E
Real Sociedad are confirmed in the top two. They will be confirmed in the round of 16 as group winners if they win and Man United do not, or if Real Sociedad draw and Man United lose.
Man United will be confirmed in the top two if they win, draw or avoid defeat by more than one goal. They will be confirmed in the Europa League knockout round play-offs as group runners-up if they lose by one goal or if they draw and Real Sociedad win.
Sheriff will be unable to finish in the top two if they do not win by two goals or more. If Sheriff win by one goal and Omonoia do not win, or if Sheriff draw and Omonoia lose, then Sheriff will be confirmed in third place and reach the Europa Conference League knockout round play-offs.
Omonoia are unable to finish in the top two. They will be confirmed in fourth place if they do not win and Sheriff do, or if Omonoia lose and Sheriff draw.
Group F
Nothing can be settled on Matchday 5.
03/11: Midtjylland v Sturm Graz, Feyenoord v Lazio
Group G
Freiburg are confirmed in the top two. They will be confirmed in the round of 16 as group winners if they win, or if Qarabag do not win.
Qarabag will be confirmed in the top two if they avoid defeat. They will be confirmed in the Europa League knockout round play-offs as group runners-up if they draw, or if both they and Freiburg win.
Nantes will be unable to finish in the top two if they do not win but will still be able to finish third and reach the Conference League.
Olympiacos cannot finish in the top two. They will be confirmed in fourth place if they do not win and Nantes win.
Group H
Ferencváros will be confirmed in the top two if they avoid defeat. They will be confirmed in the round of 16 as group winners if they win and Trabzonspor do not, or if they draw and Trabzonspor lose.
Trabzonspor will be confirmed in the top two if they win and Monaco lose.
Monaco will be unable to finish in the top two if they lose and Trabzonspor win.
Crvena zvezda will be unable to finish in the top two if they do not win. They will be confirmed in fourth place if they lose and Monaco avoid defeat, or if they draw and Monaco win.