| Group 2 | 05/07/1988 | Newell's Old Boys | - | San Lorenzo | 0:0 | ||||
| Group 2 | 11/07/1988 | Filanbanco | - | Newell's Old Boys | 1:1 | ||||
| Group 2 | 16/07/1988 | Barcelona | - | Newell's Old Boys | 0:0 | ||||
| Group 2 | 20/07/1988 | San Lorenzo | - | Newell's Old Boys | 0:0 | ||||
| Group 2 | 28/07/1988 | Newell's Old Boys | - | Filanbanco | 1:0 | ||||
| Group 2 | 31/07/1988 | Newell's Old Boys | - | Barcelona | 3:0 |  |
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| Decider 1. Round | 06/08/1988 | Newell's Old Boys | - | San Lorenzo | 1:0 | ||||
| 2. Round | 13/09/1988 | Newell's Old Boys | - | Bolívar | 3:2 pso | ||||
| 3. Round | 21/09/1988 | Newell's Old Boys | - | Nacional | 1:1 | ||||
| 3. Round | 28/09/1988 | Nacional | - | Newell's Old Boys | 2:1 | ||||
| Semi-finals | 05/10/1988 | Newell's Old Boys | - | San Lorenzo | 1:0 | ||||
| Semi-finals | 12/10/1988 | San Lorenzo | - | Newell's Old Boys | 1:2 | |
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| Final | 19/10/1988 | Newell's Old Boys | - | Nacional | 1:0 | ||||
| Final | 25/10/1988 | Nacional | - | Newell's Old Boys | 3:0 aet |
Argentina