| 1. Jornada | 17.03.2018 | Seattle Sounders 2 | - | Portland Timbers 2 | 2:1 | ||||
| 1. Jornada | 25.03.2018 | Colorado Springs Switchbacks | - | Portland Timbers 2 | 0:1 |  |
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| 1. Jornada | 31.03.2018 | Real Monarchs SLC | - | Portland Timbers 2 | 4:2 | ||||
| 2. Jornada | 05.04.2018 | Tulsa Roughnecks | - | Portland Timbers 2 | 0:0 | ||||
| 2. Jornada | 08.04.2018 | OKC Energy FC | - | Portland Timbers 2 | 0:3 | ||||
| 2. Jornada | 22.04.2018 | Portland Timbers 2 | - | Reno 1868 FC | 1:2 | ||||
| 3. Jornada | 03.05.2018 | Portland Timbers 2 | - | Sacramento Republic | 2:0 | ||||
| 3. Jornada | 26.05.2018 | Portland Timbers 2 | - | Real Monarchs SLC | 1:0 | ||||
| 4. Jornada | 03.06.2018 | San Antonio FC | - | Portland Timbers 2 | 2:1 | ||||
| 4. Jornada | 10.06.2018 | Rio Grande Valley FC | - | Portland Timbers 2 | 0:1 |  |
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| 4. Jornada | 17.06.2018 | Portland Timbers 2 | - | Colorado Springs Switchbacks | 1:4 | |
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| 6. Jornada | 01.08.2018 | Orange County SC | - | Portland Timbers 2 | 2:2 |
Estados Unidos