| 3. Round | 17/05/2018 | Atlanta United II | - | Toronto FC 2 | 5:4 | ||||
| 3. Round | 20/05/2018 | Louisville City FC | - | Atlanta United II | 2:1 | ||||
| 3. Round | 26/05/2018 | North Carolina FC | - | Atlanta United II | 4:0 | ||||
| 4. Round | 03/06/2018 | Tampa Bay Rowdies | - | Atlanta United II | 0:0 | ||||
| 4. Round | 10/06/2018 | Indy Eleven | - | Atlanta United II | 2:0 | ||||
| 4. Round | 14/06/2018 | Atlanta United II | - | Charlotte Independence | 1:1 | ||||
| 4. Round | 01/07/2018 | Nashville SC | - | Atlanta United II | 3:0 | ||||
| 5. Round | 07/07/2018 | New York RB II | - | Atlanta United II | 6:1 | ||||
| 6. Round | 07/08/2018 | Atlanta United II | - | Ottawa Fury | 1:1 | ||||
| 6. Round | 12/08/2018 | Charleston Battery | - | Atlanta United II | 1:0 | ||||
| 7. Round | 09/09/2018 | Penn FC | - | Atlanta United II | 1:2 | ||||
| 7. Round | 27/09/2018 | Atlanta United II | - | Nashville SC | 0:2 | ||||
| 7. Round | 30/09/2018 | Atlanta United II | - | Louisville City FC | 1:4 | ||||
| 8. Round | 07/10/2018 | Atlanta United II | - | Charleston Battery | 2:1 | ||||
| 8. Round | 14/10/2018 | Atlanta United II | - | Richmond Kickers | 3:2 |
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