Group A
| # | Team | P | W | D | L | GF | GA | GD | Pts | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Lille LIL | 6 | 4 | 2 | 0 | 10 | 2 | 8 | 14 | DWDWW |
| 2 |  Slovan Bratislava SLO | 6 | 3 | 1 | 2 | 8 | 7 | 1 | 10 | WLDWL |
| 3 |  Olimpija Ljubljana LJU | 6 | 2 | 0 | 4 | 4 | 9 | -5 | 6 | LLWLW |
| 4 |  KI Klaksvik | 6 | 1 | 1 | 4 | 5 | 9 | -4 | 4 | DWLLL |
Group B
| # | Team | P | W | D | L | GF | GA | GD | Pts | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Maccabi Tel Aviv MAC | 6 | 5 | 0 | 1 | 14 | 9 | 5 | 15 | LWWWW |
| 2 |  Gent GEN | 6 | 4 | 1 | 1 | 16 | 7 | 9 | 13 | WWWWL |
| 3 |  Zorya Luhansk ZOR | 6 | 2 | 1 | 3 | 10 | 11 | -1 | 7 | WLLLW |
| 4 |  Breidablik BRE | 6 | 0 | 0 | 6 | 5 | 18 | -13 | 0 | LLLLL |
Group C
| # | Team | P | W | D | L | GF | GA | GD | Pts | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Plzen PLZ | 6 | 6 | 0 | 0 | 9 | 1 | 8 | 18 | WWWWW |
| 2 |  Dinamo Zagreb ZAG | 6 | 3 | 0 | 3 | 10 | 5 | 5 | 9 | LLLWW |
| 3 |  FC Astana AST | 6 | 1 | 1 | 4 | 4 | 13 | -9 | 4 | LWDLL |
| 4 |  Ballkani | 6 | 1 | 1 | 4 | 3 | 7 | -4 | 4 | WLDLL |
Group D
| # | Team | P | W | D | L | GF | GA | GD | Pts | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Club Brugge KV CLU | 6 | 5 | 1 | 0 | 15 | 3 | 12 | 16 | WWWWW |
| 2 |  Bodo/Glimt BOD | 6 | 3 | 1 | 2 | 11 | 8 | 3 | 10 | LWWWL |
| 3 |  Beşiktaş BES | 6 | 1 | 1 | 4 | 7 | 14 | -7 | 4 | LLLLW |
| 4 |  FC Lugano LUG | 6 | 1 | 1 | 4 | 6 | 14 | -8 | 4 | WLLLL |
Group E
| # | Team | P | W | D | L | GF | GA | GD | Pts | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Aston Villa AST | 6 | 4 | 1 | 1 | 12 | 7 | 5 | 13 | WWWWD |
| 2 |  Legia Warszawa LEG | 6 | 4 | 0 | 2 | 10 | 6 | 4 | 12 | LWWLW |
| 3 |  AZ Alkmaar ALK | 6 | 2 | 0 | 4 | 7 | 12 | -5 | 6 | WLLWL |
| 4 |  Zrinjski ZRI | 6 | 1 | 1 | 4 | 6 | 10 | -4 | 4 | LLLLD |
Group F
| # | Team | P | W | D | L | GF | GA | GD | Pts | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Fiorentina FIO | 6 | 3 | 3 | 0 | 14 | 6 | 8 | 12 | DWWWD |
| 2 |  Ferencvarosi TC FER | 6 | 2 | 4 | 0 | 9 | 6 | 3 | 10 | DDDWD |
| 3 |  Genk GEN | 6 | 2 | 3 | 1 | 8 | 5 | 3 | 9 | WDDLW |
| 4 |  Cukaricki CUK | 6 | 0 | 0 | 6 | 2 | 16 | -14 | 0 | LLLLL |
Group G
| # | Team | P | W | D | L | GF | GA | GD | Pts | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  PAOK PAO | 6 | 5 | 1 | 0 | 16 | 10 | 6 | 16 | WWDWW |
| 2 |  Eintracht Frankfurt EIN | 6 | 3 | 0 | 3 | 11 | 7 | 4 | 9 | LWWLL |
| 3 |  Aberdeen ABE | 6 | 1 | 3 | 2 | 10 | 10 | 0 | 6 | DLDDW |
| 4 |  HJK Helsinki HJK | 6 | 0 | 2 | 4 | 7 | 17 | -10 | 2 | DLLDL |
Group H
| # | Team | P | W | D | L | GF | GA | GD | Pts | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Fenerbahçe FEN | 6 | 4 | 0 | 2 | 13 | 11 | 2 | 12 | WWLLW |
| 2 |  Ludogorets LUD | 6 | 4 | 0 | 2 | 11 | 11 | 0 | 12 | LLWWW |
| 3 |  FC Nordsjaelland NOR | 6 | 3 | 1 | 2 | 17 | 7 | 10 | 10 | WWDWL |
| 4 |  Spartak Trnava TRN | 6 | 0 | 1 | 5 | 3 | 15 | -12 | 1 | LLDLL |