6. Round | 12/08/2018 | Sacramento Republic | - | Rio Grande Valley FC | 2:1 | ||||
6. Round | 19/08/2018 | Rio Grande Valley FC | - | OKC Energy FC | 2:4 | ||||
7. Round | 16/09/2018 | Colorado Springs Switchbacks | - | Rio Grande Valley FC | 1:1 | ||||
7. Round | 23/09/2018 | Rio Grande Valley FC | - | Seattle Sounders 2 | 3:0 |