| 5. Journée | 07.08.2021 | Charleston Battery | - | Pittsburgh Riverhounds | 2:3 | ||||
| 5. Journée | 23.08.2021 | Pittsburgh Riverhounds | - | Atlanta United II | 4:1 | ||||
| 5. Journée | 29.08.2021 | Hartford Athletic | - | Pittsburgh Riverhounds | 2:3 | ||||
| 6. Journée | 02.09.2021 | Pittsburgh Riverhounds | - | New York RB II | 1:0 |  |
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| 6. Journée | 05.09.2021 | San Antonio FC | - | Pittsburgh Riverhounds | 1:1 | ||||
| 6. Journée | 12.09.2021 | Pittsburgh Riverhounds | - | Loudoun United | 5:0 | ||||
| 6. Journée | 26.09.2021 | Pittsburgh Riverhounds | - | Charleston Battery | 3:3 |
États-Unis