| 3. Round | 14/06/2003 | MetroStars | - | Chicago Fire | 2:3 | ||||
| 3. Round | 21/06/2003 | MetroStars | - | Los Angeles Galaxy | 1:0 | ||||
| 3. Round | 28/06/2003 | Chicago Fire | - | MetroStars | 2:1 aet | ||||
| 4. Round | 03/07/2003 | MetroStars | - | San Jose Earthquakes | 4:4 aet | ||||
| 4. Round | 05/07/2003 | D.C. United | - | MetroStars | 2:3 aet | ||||
| 4. Round | 12/07/2003 | New England Revolution | - | MetroStars | 3:3 aet | ||||
| 4. Round | 20/07/2003 | Dallas Burn | - | MetroStars | 1:2 aet |  |
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| 6. Round | 07/09/2003 | Kansas City Wizards | - | MetroStars | 1:2 | ||||
| 7. Round | 19/10/2003 | MetroStars | - | New England Revolution | 1:2 | ||||
| 7. Round | 25/10/2003 | New England Revolution | - | MetroStars | 5:2 |
Argentina