| 1. Round | 13/04/2003 | Kansas City Wizards | - | D.C. United | 3:2 aet | ||||
| 1. Round | 20/04/2003 | D.C. United | - | Chicago Fire | 0:0 aet | ||||
| 2. Round | 11/05/2003 | MetroStars | - | D.C. United | 1:0 | ||||
| 2. Round | 18/05/2003 | D.C. United | - | Kansas City Wizards | 1:1 | ||||
| 3. Round | 08/06/2003 | D.C. United | - | Chicago Fire | 2:0 | ||||
| 3. Round | 12/06/2003 | Colorado Rapids | - | D.C. United | 0:0 aet | ||||
| 3. Round | 15/06/2003 | D.C. United | - | Columbus Crew | 3:0 | ||||
| 3. Round | 22/06/2003 | D.C. United | - | New England Revolution | 1:1 aet | ||||
| 3. Round | 29/06/2003 | Columbus Crew | - | D.C. United | 3:0 | ||||
| 4. Round | 03/07/2003 | Dallas Burn | - | D.C. United | 1:3 | ||||
| 4. Round | 05/07/2003 | D.C. United | - | MetroStars | 2:3 aet | ||||
| 4. Round | 13/07/2003 | Chicago Fire | - | D.C. United | 1:2 | ||||
| 4. Round | 19/07/2003 | D.C. United | - | San Jose Earthquakes | 1:2 |  |
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| 4. Round | 27/07/2003 | New England Revolution | - | D.C. United | 2:4 |  |
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| 5. Round | 10/08/2003 | D.C. United | - | New England Revolution | 1:0 | ||||
| 5. Round | 14/08/2003 | D.C. United | - | Colorado Rapids | 1:0 | |
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| 5. Round | 17/08/2003 | Chicago Fire | - | D.C. United | 3:1 |
USA