| 4. Round | 22/06/2017 | D.C. United | - | Atlanta United FC | 2:1 | ||||
| 4. Round | 25/06/2017 | Philadelphia Union | - | D.C. United | 1:0 | ||||
| 5. Round | 02/07/2017 | Impact de Montréal | - | D.C. United | 2:0 | ||||
| 5. Round | 05/07/2017 | FC Dallas | - | D.C. United | 4:2 |  |
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| 5. Round | 20/07/2017 | Seattle Sounders | - | D.C. United | 4:3 | |
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| 5. Round | 23/07/2017 | D.C. United | - | Houston Dynamo | 1:3 | ||||
| 5. Round | 30/07/2017 | Minnesota United FC | - | D.C. United | 4:0 | ||||
| 6. Round | 06/08/2017 | D.C. United | - | Toronto FC | 1:1 | ||||
| 6. Round | 14/08/2017 | D.C. United | - | Real Salt Lake | 0:1 | ||||
| 6. Round | 24/08/2017 | D.C. United | - | Atlanta United FC | 1:0 |  |
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| 6. Round | 27/08/2017 | D.C. United | - | New England Revolution | 1:0 | ||||
| 7. Round | 10/09/2017 | D.C. United | - | Orlando City | 1:2 | ||||
| 7. Round | 17/09/2017 | Chicago Fire | - | D.C. United | 3:0 | ||||
| 7. Round | 28/09/2017 | New York RB | - | D.C. United | 3:3 | ||||
| 7. Round | 01/10/2017 | Columbus Crew | - | D.C. United | 2:0 | ||||
| 8. Round | 22/10/2017 | D.C. United | - | New York RB | 1:2 |
Jamaica