| 5. Round | 15/07/2018 | Rio Grande Valley FC | - | Las Vegas Lights FC | 2:0 |  |
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| 5. Round | 22/07/2018 | Portland Timbers 2 | - | Las Vegas Lights FC | 1:2 |  |
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| 5. Round | 27/07/2018 | Seattle Sounders 2 | - | Las Vegas Lights FC | 3:0 | ||||
| 6. Round | 05/08/2018 | Las Vegas Lights FC | - | Rio Grande Valley FC | 1:0 | ||||
| 6. Round | 12/08/2018 | Saint Louis FC | - | Las Vegas Lights FC | 4:1 | |
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| 6. Round | 16/08/2018 | Orange County SC | - | Las Vegas Lights FC | 3:1 | ||||
| 6. Round | 19/08/2018 | Las Vegas Lights FC | - | Phoenix Rising | 0:2 | |
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| 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 | |
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| 7. Round | 23/09/2018 | Reno 1868 FC | - | Las Vegas Lights FC | 3:3 | ||||
| 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 |
USA
Spain