 |
| 1st(1st leg) | Rudar Velenje | - | Constructorul Chişinău | 2:0 (1:0) | ||
| 2nd (2nd leg) | Constructorul Chişinău | - | Rudar Velenje | 0:0 (0:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Rudar Velenje | ||||
| 1st(1st leg) | FC Vaduz | - | Helsingborgs IF | 0:2 (0:1) | ||
| 2nd (2nd leg) | Helsingborgs IF | - | FC Vaduz | 3:0 (1:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Helsingborgs IF | ||||
| 1st(1st leg) | Lausanne Sports | - | Tsement Ararat | 5:1 (1:1) | ||
| 2nd (2nd leg) | Tsement Ararat | - | Lausanne Sports | 1:2 (1:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Lausanne Sports | ||||
| 1st(1st leg) | Cork City | - | CSKA Kiev | 2:1 (2:0) | ||
| 2nd (2nd leg) | CSKA Kiev | - | Cork City | 2:0 (1:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: CSKA Kiev | ||||
| 1st(1st leg) | FK Ekranas | - | Apollon Limassol | 1:2 (1:1) | ||
| 2nd (2nd leg) | Apollon Limassol | - | FK Ekranas | 3:3 (0:2) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Apollon Limassol | ||||
| 1st(1st leg) | KF Apolonia Fier | - | KRC Genk | 1:5 (1:3) | ||
| 2nd (2nd leg) | KRC Genk | - | KF Apolonia Fier | 4:0 (1:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: KRC Genk | ||||
| 1st(1st leg) | Bangor City | - | Haka Valkeakoski | 0:2 (0:1) | ||
| 2nd (2nd leg) | Haka Valkeakoski | - | Bangor City | 1:0 (1:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Haka Valkeakoski | ||||
| 1st(1st leg) | Levski Sofia | - | Lokomotiv-96 Vitebsk | 8:1 (5:1) | ||
| 2nd (2nd leg) | Lokomotiv-96 Vitebsk | - | Levski Sofia | 1:1 (0:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Levski Sofia | ||||
| 1st(1st leg) | FK Liepājas Metalurgs | - | Keflavík ÍF | 4:2 (0:0) | ||
| 2nd (2nd leg) | Keflavík ÍF | - | FK Liepājas Metalurgs | 1:0 (0:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: FK Liepājas Metalurgs | ||||
| 1st(1st leg) | CS Grevenmacher | - | Rapid Bucureşti | 2:6 (1:1) | ||
| 2nd (2nd leg) | Rapid Bucureşti | - | CS Grevenmacher | 2:0 (0:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Rapid Bucureşti | ||||
| 1st(1st leg) | Lantana Tallinn | - | Heart of Midlothian | 0:1 (0:1) | ||
| 2nd (2nd leg) | Heart of Midlothian | - | Lantana Tallinn | 5:0 (3:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Heart of Midlothian | ||||
| 1st(1st leg) | GÍ Gøta | - | MTK Hungaria | 1:3 (1:2) | ||
| 2nd (2nd leg) | MTK Hungaria | - | GÍ Gøta | 7:0 (3:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: MTK Hungaria | ||||
| 1st(1st leg) | Glentoran FC | - | Maccabi Haifa | 0:1 (0:1) | ||
| 2nd (2nd leg) | Maccabi Haifa | - | Glentoran FC | 2:1 (1:1) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Maccabi Haifa | ||||
| 1st(1st leg) | Vardar Skopje | - | Spartak Trnava | 0:1 (0:0) | ||
| 2nd (2nd leg) | Spartak Trnava | - | Vardar Skopje | 2:0 (0:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Spartak Trnava | ||||
| 1st(1st leg) | Amica Wronki | - | Hibernians FC | 4:0 (1:0) | ||
| 2nd (2nd leg) | Hibernians FC | - | Amica Wronki | 0:1 (0:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Amica Wronki | ||||
| 1st(1st leg) | FC København | - | Qarabağ FK | 6:0 (6:0) | ||
| 2nd (2nd leg) | Qarabağ FK | - | FC København | 0:4 (0:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: FC København | ||||
| 1st(1st leg) | Partizan | - | Dinamo Batumi | 2:0 (2:0) | ||
| 2nd (2nd leg) | Dinamo Batumi | - | Partizan | 1:0 (1:0) | ||
| 1st(1st leg): 13/08/1998 | 2nd (2nd leg): 27/08/1998 | Winner: Partizan | ||||
