| 1. Jornada | 04.03.2018 | Seattle Sounders | - | Los Angeles FC | 0:1 | ||||
| 2. Jornada | 22.04.2018 | Seattle Sounders | - | Minnesota United FC | 3:1 |  |
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| 2. Jornada | 30.04.2018 | Los Angeles FC | - | Seattle Sounders | 1:0 | ||||
| 3. Jornada | 10.05.2018 | Toronto FC | - | Seattle Sounders | 1:2 |  |
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| 3. Jornada | 13.05.2018 | Portland Timbers | - | Seattle Sounders | 1:0 | |
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| 3. Jornada | 26.05.2018 | Seattle Sounders | - | Real Salt Lake | 0:1 | ||||
| 4. Jornada | 03.06.2018 | Real Salt Lake | - | Seattle Sounders | 2:0 | |
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| 5. Jornada | 05.07.2018 | Colorado Rapids | - | Seattle Sounders | 1:2 | ||||
| 5. Jornada | 08.07.2018 | New England Revolution | - | Seattle Sounders | 0:0 | |
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| 5. Jornada | 15.07.2018 | Atlanta United FC | - | Seattle Sounders | 1:1 | ||||
| 5. Jornada | 21.07.2018 | Seattle Sounders | - | Vancouver Whitecaps | 2:0 | ||||
| 7. Jornada | 16.09.2018 | Vancouver Whitecaps | - | Seattle Sounders | 1:2 | ||||
| 7. Jornada | 29.09.2018 | Seattle Sounders | - | Colorado Rapids | 4:0 | ||||
| 8. Jornada | 09.10.2018 | Seattle Sounders | - | Houston Dynamo | 4:1 | ||||
| 8. Jornada | 18.10.2018 | Orlando City | - | Seattle Sounders | 1:2 | |
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| 8. Jornada | 21.10.2018 | Houston Dynamo | - | Seattle Sounders | 2:3 |
Martinica
Francia