1st(1st leg) América - RN - Sampaio Corrêa - MA 0:0
2nd (2nd leg) Sampaio Corrêa - MA - América - RN 3:1
1st(1st leg): 15/07/1998 2nd (2nd leg): 21/07/1998 Winner: Sampaio Corrêa - MA
1st(1st leg) Deportivo Italia - Deportes Quindío 2:2
2nd (2nd leg) Deportes Quindío - Deportivo Italia 2:1
1st(1st leg): 15/07/1998 2nd (2nd leg): 21/07/1998 Winner: Deportes Quindío
1st(1st leg) Santos FC - Once Caldas 2:1
2nd (2nd leg) Once Caldas - Santos FC 3:2 pso
1st(1st leg): 15/07/1998 2nd (2nd leg): 21/07/1998 Winner: Once Caldas
1st(1st leg) FBC Melgar - LDU Quito 1:3
2nd (2nd leg) LDU Quito - FBC Melgar 3:1
1st(1st leg): 15/07/1998 2nd (2nd leg): 21/07/1998 Winner: LDU Quito
1st(1st leg) Atlético Mineiro - Cerro Corá 2:2
2nd (2nd leg) Cerro Corá - Atlético Mineiro 4:2 pso
1st(1st leg): 15/07/1998 2nd (2nd leg): 21/07/1998 Winner: Cerro Corá
1st(1st leg) Jorge Wilstermann - Gimnasia de La Plata 0:0
2nd (2nd leg) Gimnasia de La Plata - Jorge Wilstermann 4:2 pso
1st(1st leg): 15/07/1998 2nd (2nd leg): 21/07/1998 Winner: Gimnasia de La Plata
1st(1st leg) Huracán Buceo - River Plate 0:0
2nd (2nd leg) River Plate - Huracán Buceo 1:4
1st(1st leg): 15/07/1998 2nd (2nd leg): 26/07/1998 Winner: Huracán Buceo
1st(1st leg) Rosario Central - Audax Italiano 2:0
2nd (2nd leg) Audax Italiano - Rosario Central 1:0
1st(1st leg): 22/07/1998 2nd (2nd leg): 29/07/1998 Winner: Rosario Central