| # | Group A | MP | W | D | L | G | GD | Pts | Form |
|---|---|---|---|---|---|---|---|---|---|
| 1. | Bayer Leverkusen | 3 | 2 | 1 | 0 | 6:3 | 3 | 7 | |
| 2. | Zurich | 3 | 2 | 0 | 1 | 5:4 | 1 | 6 | |
| 3. | Ludogorets | 3 | 0 | 2 | 1 | 3:4 | -1 | 2 | |
| 4. | AEK Larnaca | 3 | 0 | 1 | 2 | 2:7 | -5 | 1 | |
| # | Group B | MP | W | D | L | G | GD | Pts | Form |
| 1. | Salzburg | 3 | 3 | 0 | 0 | 7:1 | 6 | 9 | |
| 2. | Celtic | 3 | 2 | 0 | 1 | 4:3 | 1 | 6 | |
| 3. | RB Leipzig | 3 | 1 | 1 | 1 | 5:4 | 1 | 4 | |
| 4. | Rosenborg | 3 | 0 | 0 | 3 | 3:9 | -6 | 0 | |
| # | Group C | MP | W | D | L | G | GD | Pts | Form |
| 1. | Zenit | 3 | 3 | 0 | 0 | 4:1 | 3 | 9 | |
| 2. | Slavia Prague | 3 | 2 | 1 | 0 | 3:0 | 3 | 7 | |
| 3. | Bordeaux | 3 | 1 | 1 | 1 | 4:3 | 1 | 4 | |
| 4. | FC Copenhagen | 3 | 0 | 1 | 2 | 1:3 | -2 | 1 | |
| # | Group D | MP | W | D | L | G | GD | Pts | Form |
| 1. | D. Zagreb | 3 | 2 | 1 | 0 | 7:2 | 5 | 7 | |
| 2. | Fenerbahce | 3 | 2 | 1 | 0 | 4:0 | 4 | 7 | |
| 3. | Trnava | 3 | 2 | 0 | 1 | 3:2 | 1 | 6 | |
| 4. | Anderlecht | 3 | 0 | 2 | 1 | 2:4 | -2 | 2 | |
| # | Group E | MP | W | D | L | G | GD | Pts | Form |
| 1. | Arsenal | 3 | 2 | 1 | 0 | 5:2 | 3 | 7 | |
| 2. | Sporting CP | 3 | 2 | 0 | 1 | 5:1 | 4 | 6 | |
| 3. | Vorskla Poltava | 3 | 0 | 0 | 3 | 1:6 | -5 | 0 | |
| 4. | Qarabag | 3 | 0 | 0 | 3 | 1:10 | -9 | 0 | |
| # | Group F | MP | W | D | L | G | GD | Pts | Form |
| 1. | Olympiacos Piraeus | 3 | 2 | 1 | 0 | 8:2 | 6 | 7 | |
| 2. | Betis | 3 | 2 | 1 | 0 | 5:1 | 4 | 7 | |
| 3. | AC Milan | 3 | 2 | 0 | 1 | 9:5 | 4 | 6 | |
| 4. | Dudelange | 3 | 0 | 1 | 2 | 0:3 | -3 | 1 | |
| # | Group G | MP | W | D | L | G | GD | Pts | Form |
| 1. | Villarreal | 3 | 2 | 1 | 0 | 9:2 | 7 | 7 | |
| 2. | SK Rapid | 3 | 2 | 1 | 0 | 3:0 | 3 | 7 | |
| 3. | Rangers | 3 | 1 | 2 | 0 | 3:1 | 2 | 5 | |
| 4. | Spartak Moscow | 3 | 1 | 1 | 1 | 8:8 | 0 | 4 | |
| # | Group H | MP | W | D | L | G | GD | Pts | Form |
| 1. | Eintracht Frankfurt | 3 | 3 | 0 | 0 | 10:1 | 9 | 9 | |
| 2. | Lazio | 3 | 2 | 0 | 1 | 5:4 | 1 | 6 | |
| 3. | Apollon | 3 | 1 | 1 | 1 | 6:5 | 1 | 4 | |
| 4. | Marseille | 3 | 0 | 0 | 3 | 3:8 | -5 | 0 | |
| # | Group I | MP | W | D | L | G | GD | Pts | Form |
| 1. | Genk | 3 | 2 | 1 | 0 | 7:1 | 6 | 7 | |
| 2. | Malmo FF | 3 | 1 | 2 | 0 | 5:3 | 2 | 5 | |
| 3. | Sarpsborg 08 | 3 | 1 | 1 | 1 | 6:5 | 1 | 4 | |
| 4. | Besiktas | 3 | 1 | 0 | 2 | 5:6 | -1 | 3 | |
| # | Group J | MP | W | D | L | G | GD | Pts | Form |
| 1. | Sevilla | 3 | 3 | 0 | 0 | 14:1 | 13 | 9 | |
| 2. | Krasnodar | 3 | 3 | 0 | 0 | 6:3 | 3 | 9 | |
| 3. | St. Liege | 3 | 3 | 0 | 0 | 5:2 | 3 | 9 | |
| 4. | Akhisarspor | 3 | 0 | 1 | 2 | 2:4 | -2 | 1 | |
| # | Group K | MP | W | D | L | G | GD | Pts | Form |
| 1. | Rennes | 3 | 2 | 0 | 1 | 5:3 | 2 | 6 | |
| 2. | FC Astana | 3 | 2 | 0 | 1 | 4:2 | 2 | 6 | |
| 3. | Dyn. Kyiv | 3 | 1 | 1 | 1 | 5:4 | 1 | 4 | |
| 4. | Jablonec | 3 | 0 | 2 | 1 | 3:4 | -1 | 2 | |
| # | Group L | MP | W | D | L | G | GD | Pts | Form |
| 1. | Chelsea | 3 | 3 | 0 | 0 | 8:1 | 7 | 9 | |
| 2. | Fehervar FC | 3 | 1 | 1 | 1 | 3:4 | -1 | 4 | |
| 3. | BATE | 3 | 1 | 0 | 2 | 3:5 | -2 | 3 | |
| 4. | PAOK | 3 | 0 | 0 | 3 | 1:6 | -5 | 0 |