| 2. Round | 06/05/2021 | Los Angeles Galaxy II | - | Las Vegas Lights FC | 5:0 | ||||
| 2. Round | 13/05/2021 | Sacramento Republic | - | Las Vegas Lights FC | 3:1 | ||||
| 3. Round | 06/06/2021 | Las Vegas Lights FC | - | Tacoma Defiance | 2:0 | ||||
| 3. Round | 12/06/2021 | Las Vegas Lights FC | - | San Antonio FC | 1:1 | ||||
| 3. Round | 17/06/2021 | Los Angeles Galaxy II | - | Las Vegas Lights FC | 3:4 |  |
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| 6. Round | 06/09/2021 | Las Vegas Lights FC | - | Sacramento Republic | 1:3 | ||||
| 6. Round | 12/09/2021 | Orange County SC | - | Las Vegas Lights FC | 3:0 | ||||
| 6. Round | 16/09/2021 | Phoenix Rising | - | Las Vegas Lights FC | 4:1 |
USA