| 1. Journée | 18.03.2018 | OKC Energy FC | - | Tulsa Roughnecks | 1:0 |  |
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| 4. Journée | 10.06.2018 | Seattle Sounders 2 | - | OKC Energy FC | 2:1 | ||||
| 4. Journée | 14.06.2018 | Portland Timbers 2 | - | OKC Energy FC | 1:2 | ||||
| 4. Journée | 17.06.2018 | OKC Energy FC | - | Rio Grande Valley FC | 3:1 | ||||
| 4. Journée | 24.06.2018 | OKC Energy FC | - | Los Angeles Galaxy II | 1:0 | ||||
| 5. Journée | 05.07.2018 | San Antonio FC | - | OKC Energy FC | 1:1 | ||||
| 5. Journée | 08.07.2018 | OKC Energy FC | - | Colorado Springs Switchbacks | 1:1 |  |
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| 5. Journée | 12.07.2018 | OKC Energy FC | - | Las Vegas Lights FC | 6:4 | |
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Ghana