| 1. Round | 17/03/2018 | Rio Grande Valley FC | - | Saint Louis FC | 1:1 | ||||
| 1. Round | 01/04/2018 | Rio Grande Valley FC | - | Sacramento Republic | 2:2 | ||||
| 2. Round | 15/04/2018 | Seattle Sounders 2 | - | Rio Grande Valley FC | 3:2 |  |
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| 7. Round | 27/09/2018 | Reno 1868 FC | - | Rio Grande Valley FC | 4:0 |
USA