1st(1st leg) | Boca Juniors | - | Colo-Colo | 1:0 (1:0) | ||
2nd (2nd leg) | Colo-Colo | - | Boca Juniors | 3:1 (0:0) | ||
1st(1st leg): 16/05/1991 | 2nd (2nd leg): 22/05/1991 | Winner: Colo-Colo | ||||
1st(1st leg) | Atlético Nacional | - | Club Olimpia | 0:0 (0:0) | ||
2nd (2nd leg) | Club Olimpia | - | Atlético Nacional | 1:0 (1:0) | ||
1st(1st leg): 16/05/1991 | 2nd (2nd leg): 23/05/1991 | Winner: Club Olimpia | ||||