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 | 08/04/2018 | Colorado Springs Switchbacks | - | Rio Grande Valley FC | 2:1 | ||||
3. Round | 20/05/2018 | Rio Grande Valley FC | - | Swope Park Rangers | 0:0 | ||||
3. Round | 24/05/2018 | Rio Grande Valley FC | - | Los Angeles Galaxy II | 1:1 | ||||
4. Round | 10/06/2018 | Rio Grande Valley FC | - | Portland Timbers 2 | 0:1 | ||||
6. Round | 05/08/2018 | Las Vegas Lights FC | - | Rio Grande Valley FC | 1:0 |