5. Round | 07/08/2021 | Charleston Battery | - | Pittsburgh Riverhounds | 2:3 | ||||
5. Round | 23/08/2021 | Pittsburgh Riverhounds | - | Atlanta United II | 4:1 | ||||
5. Round | 29/08/2021 | Hartford Athletic | - | Pittsburgh Riverhounds | 2:3 | ||||
6. Round | 01/09/2021 | Pittsburgh Riverhounds | - | New York RB II | 1:0 | ![]() |
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6. Round | 05/09/2021 | San Antonio FC | - | Pittsburgh Riverhounds | 1:1 | ||||
6. Round | 12/09/2021 | Pittsburgh Riverhounds | - | Loudoun United | 5:0 | ||||
6. Round | 26/09/2021 | Pittsburgh Riverhounds | - | Charleston Battery | 3:3 |