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| 1st(1st leg) | Vélez Sarsfield | - | Club Olimpia | 3:4 | ||
| 2nd (2nd leg) | Club Olimpia | - | Vélez Sarsfield | 2:1 | ||
| 1st(1st leg): 27/10/1998 | 2nd (2nd leg): 04/11/1998 | Winner: Club Olimpia | ||||
| 1st(1st leg) | River Plate | - | Cruzeiro | 1:2 | ||
| 2nd (2nd leg) | Cruzeiro | - | River Plate | 2:0 | ||
| 1st(1st leg): 28/10/1998 | 2nd (2nd leg): 05/11/1998 | Winner: Cruzeiro | ||||
| 1st(1st leg) | San Lorenzo | - | Racing Club | 0:0 | ||
| 2nd (2nd leg) | Racing Club | - | San Lorenzo | 1:1 | ||
| 1st(1st leg): 29/10/1998 | 2nd (2nd leg): 05/11/1998 | Winner: San Lorenzo | ||||
| 1st(1st leg) | Palmeiras | - | Boca Juniors | 3:1 | ||
| 2nd (2nd leg) | Boca Juniors | - | Palmeiras | 1:1 | ||
| 1st(1st leg): 29/10/1998 | 2nd (2nd leg): 05/11/1998 | Winner: Palmeiras | ||||
