 |
 |
|
|
| 1st(1st leg) | River Plate | - | Grêmio Porto Alegre | 0:1 (0:0) | ||
| 2nd (2nd leg) | Grêmio Porto Alegre | - | River Plate | 1:2 (1:0) | ||
| 1st(1st leg): 24/10/2018 01:45 | 2nd (2nd leg): 31/10/2018 00:45 | Winner: River Plate | ||||
| 1st(1st leg) | Boca Juniors | - | Palmeiras | 2:0 (0:0) | ||
| 2nd (2nd leg) | Palmeiras | - | Boca Juniors | 2:2 (0:1) | ||
| 1st(1st leg): 25/10/2018 01:45 | 2nd (2nd leg): 01/11/2018 00:45 | Winner: Boca Juniors | ||||
