| Champions League Qualifiers 2003-4 |
| 1st Qualifying Round : 16 and 23 July 2003 |
| First Leg | Second Leg | |||||
| (1): Pyunik | 1-0 | Reykjavik | Reykjavik | 1-1 | Pyunik | |
| (2): Sherriff Tiraspol | 1-0 | Flora | Flora | 1-1 | Sherriff Tiraspol | |
| (3): Torshavn | 0-1 | Kaunas | Kaunas | 4-1 | Torshavn | |
| (4): Borisov | 1-0 | Bohemians | Bohemians | 3-0 | Borisov | |
| (5): Vardar | 3-0 | Barry Town | Barry Town | 2-1 | Vardar | |
| (6): Grevenmacher | 0-0 | Leotar | Leotar | 2-0 | Grevenmacher | |
| (7): Glentoran | 0-0 | Helsinki | Helsinki | 1-0 | Glentoran | |
| (8): Sliema Wanderers | 2-0 | Skonto Riga | Skonto Riga | 3-1 | Sliema Wanderers | |
| (9): Omonia | 0-0 | Irtysh Pavlodar | Irtysh Pavlodar | 1-2 | Omonia | |
| (10): Dinamo Tbilisi | 3-0 | Tirana | Tirana * | 3-0 | Dinamo Tbilisi |
| 2nd Qualifying Round : 30 July and 6 August 2003 |
| First Leg | Second Leg | |||||
| Hungaria | 3-1 | Helsinki | Helsinki | 1-0 | Hungaria | |
| Pyunik | 0-2 | CSKA Sofia | CSKA Sofia | 1-0 | Pyunik | |
| Kaunas | 0-4 | Celtic | Celtic | 1-0 | Kaunas | |
| Leotar | 1-2 | Slavia Praha | Slavia Praha | 2-0 | Leotar | |
| Sherriff Tiraspol | 0-0 | Shakhtar Donetsk | Shakhtar Donetsk | 2-0 | Sherriff Tiraspol | |
| Zilina | 1-0 | Maccabi Tel-Aviv | Maccabi Tel-Aviv | 1-1 | Zilina | |
| Bohemians | 0-1 | Rosenberg | Rosenberg | 4-0 | Bohemians | |
| Maribor | 1-1 | Dinamo Zagreb | Dinamo Zagreb | 2-1 | Maribor | |
| CSKA Moscow | 1-2 | Vardar | Vardar | 1-1 | CSKA Moscow | |
| Rapid Bucharest | 0-0 | Anderlecht | Anderlecht | 3-2 | Rapid Bucharest | |
| Partizan Belgrade | 1-1 | Djurgardens | Djurgardens | 2-2 | Partizan Belgrade | |
| Wisla Krakow | 5-2 | Omonia | Omonia | 2-2 | Wisla Krakow | |
| FCK Copenhagen | 4-1 | Sliema Wanderers | Sliema Wanderers | 0-6 | FCK Copenhagen | |
| Tirana | 1-5 | Grazer | Grazer | 2-1 | Tirana |
| 3rd Qualifying Round : 12/13 and 26/27 August 2003 |
| First Leg | Second Leg | |||||
| Vardar | 2-3 | Sparta Praha | Sparta Praha | 2-2 | Vardar | |
| Hungaria | 0-4 | Celtic | Celtic | 1-0 | Hungaria | |
| Rangers | 1-1 | FCK Copenhagen | FCK Copenhagen | 1-2 | Rangers | |
| Austria Vienna | 0-1 | Marseille | Marseille | 0-0 | Austria Vienna | |
| Bruges | 2-1 | Borrusia Dortmund | Borrusia Dortmund | 2-1 | Bruges ** | |
| Shakhtar | 1-0 | Lokomotiv Moscow | Lokomotiv Moscow | 3-1 | Shakhtar | |
| Lazio | 3-1 | Benfica | Benfica | 0-1 | Lazio | |
| Dynamo Kiev | 3-1 | Dynamo Zagreb | Dynamo Zagreb | 0-2 | Dynamo Kiev | |
| Rosenborg | 0-0 | Deportivo La Coruna | Deportivo La Coruna | 1-0 | Rosenborg | |
| Zilina | 0-2 | Chelsea | Chelsea | 3-0 | Zilina | |
| Grasshoppers | 1-0 | AEK Athens | AEK Athens | 3-1 | Grasshoppers | |
| Celta Vigo | 3-0 | Slavia Praha | Slavia Praha | 2-0 | Celta Vigo | |
| Partizan Belgrade | 0-1 | Newcastle | Newcastle | 0-1 | Partizan Belgrade * | |
| Galatasaray | 3-0 | CSKA Sofia | CSKA Sofia | 0-3 | Galatasaray | |
| Anderlecht | 3-1 | Wisla Krakow | Wisla Krakow | 0-1 | Anderlecht | |
| Grazer | 1-1 | Ajax | Ajax | 2-1 | Tirana |