| 2. Round | 01/05/2021 | Los Angeles Galaxy II | - | Sacramento Republic | 0:1 |  |
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| 2. Round | 13/05/2021 | Sacramento Republic | - | Las Vegas Lights FC | 3:1 | |
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| 2. Round | 23/05/2021 | Orange County SC | - | Sacramento Republic | 1:0 |  |
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| 2. Round | 30/05/2021 | Sacramento Republic | - | Phoenix Rising | 0:1 | ||||
| 3. Round | 03/06/2021 | Sacramento Republic | - | Oakland Roots | 3:3 | ||||
| 3. Round | 06/06/2021 | Sacramento Republic | - | Orange County SC | 1:3 | |
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| 3. Round | 10/06/2021 | Real Monarchs SLC | - | Sacramento Republic | 2:0 | ||||
| 3. Round | 27/06/2021 | Sacramento Republic | - | Phoenix Rising | 1:2 | ||||
| 4. Round | 04/07/2021 | San Diego Loyal | - | Sacramento Republic | 1:1 | ||||
| 4. Round | 08/07/2021 | Sacramento Republic | - | Oakland Roots | 0:0 | ||||
| 4. Round | 11/07/2021 | Sacramento Republic | - | Orange County SC | 0:2 | |
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| 4. Round | 15/07/2021 | Las Vegas Lights FC | - | Sacramento Republic | 1:2 | |
USA