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| 1st(1st leg) | Deportes Quindío | - | Sampaio Corrêa - MA | 0:1 | ||
| 2nd (2nd leg) | Sampaio Corrêa - MA | - | Deportes Quindío | 1:0 | ||
| 1st(1st leg): 05/08/1998 | 2nd (2nd leg): 11/08/1998 | Winner: Sampaio Corrêa - MA | ||||
| 1st(1st leg) | LDU Quito | - | Santos FC | 2:2 | ||
| 2nd (2nd leg) | Santos FC | - | LDU Quito | 3:0 | ||
| 1st(1st leg): 05/08/1998 | 2nd (2nd leg): 11/08/1998 | Winner: Santos FC | ||||
| 1st(1st leg) | Atlético Mineiro | - | Jorge Wilstermann | 3:1 | ||
| 2nd (2nd leg) | Jorge Wilstermann | - | Atlético Mineiro | 0:1 | ||
| 1st(1st leg): 05/08/1998 | 2nd (2nd leg): 11/08/1998 | Winner: Atlético Mineiro | ||||
| 1st(1st leg) | Huracán Buceo | - | Rosario Central | 2:3 | ||
| 2nd (2nd leg) | Rosario Central | - | Huracán Buceo | 2:0 | ||
| 1st(1st leg): 05/08/1998 | 2nd (2nd leg): 11/08/1998 | Winner: Rosario Central | ||||
