| 5. Round | 15/07/2018 | Rio Grande Valley FC | - | Las Vegas Lights FC | 2:0 | ||||
| 5. Round | 27/07/2018 | Seattle Sounders 2 | - | Las Vegas Lights FC | 3:0 | ||||
| 6. Round | 19/08/2018 | Las Vegas Lights FC | - | Phoenix Rising | 0:2 | ||||
| 6. Round | 26/08/2018 | Las Vegas Lights FC | - | Fresno FC | 2:2 | ||||
| 6. Round | 29/08/2018 | Reno 1868 FC | - | Las Vegas Lights FC | 2:1 | ||||
| 7. Round | 09/09/2018 | Las Vegas Lights FC | - | Los Angeles Galaxy II | 1:2 | ||||
| 7. Round | 17/09/2018 | Las Vegas Lights FC | - | Portland Timbers 2 | 1:2 | ||||
| 7. Round | 23/09/2018 | Reno 1868 FC | - | Las Vegas Lights FC | 3:3 |  |
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| 7. Round | 27/09/2018 | Las Vegas Lights FC | - | Orange County SC | 3:5 | ||||
| 7. Round | 30/09/2018 | Las Vegas Lights FC | - | OKC Energy FC | 0:1 | ||||
| 8. Round | 07/10/2018 | San Antonio FC | - | Las Vegas Lights FC | 3:1 |  |
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| 8. Round | 14/10/2018 | Sacramento Republic | - | Las Vegas Lights FC | 1:0 |
Mexico