| 3. Jornada | 10.05.2018 | Los Angeles Galaxy II | - | Saint Louis FC | 6:3 | ||||
| 4. Jornada | 24.06.2018 | Sacramento Republic | - | Saint Louis FC | 2:2 | ||||
| 4. Jornada | 01.07.2018 | Saint Louis FC | - | Rio Grande Valley FC | 0:0 | ||||
| 5. Jornada | 22.07.2018 | Saint Louis FC | - | Orange County SC | 2:2 | ||||
| 5. Jornada | 29.07.2018 | Reno 1868 FC | - | Saint Louis FC | 1:2 | ||||
| 6. Jornada | 05.08.2018 | Saint Louis FC | - | Seattle Sounders 2 | 2:0 |  |
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| 6. Jornada | 12.08.2018 | Saint Louis FC | - | Las Vegas Lights FC | 4:1 | ||||
| 6. Jornada | 16.08.2018 | Saint Louis FC | - | Sacramento Republic | 2:1 | ||||
| 6. Jornada | 19.08.2018 | Fresno FC | - | Saint Louis FC | 1:0 |
Estados Unidos