1. Round | 18/03/2018 | FC Dallas | - | Seattle Sounders | 3:0 | ||||
2. Round | 22/04/2018 | Seattle Sounders | - | Minnesota United FC | 3:1 | ||||
2. Round | 30/04/2018 | Los Angeles FC | - | Seattle Sounders | 1:0 | ||||
3. Round | 05/05/2018 | Seattle Sounders | - | Columbus Crew | 0:0 | ||||
3. Round | 13/05/2018 | Portland Timbers | - | Seattle Sounders | 1:0 | ||||
3. Round | 26/05/2018 | Seattle Sounders | - | Real Salt Lake | 0:1 | ||||
4. Round | 03/06/2018 | Real Salt Lake | - | Seattle Sounders | 2:0 | ||||
4. Round | 10/06/2018 | Seattle Sounders | - | D.C. United | 2:1 | ||||
4. Round | 14/06/2018 | New York RB | - | Seattle Sounders | 2:1 | ||||
4. Round | 24/06/2018 | Seattle Sounders | - | Chicago Fire | 1:1 | ||||
4. Round | 30/06/2018 | Seattle Sounders | - | Portland Timbers | 2:3 | ||||
5. Round | 05/07/2018 | Colorado Rapids | - | Seattle Sounders | 1:2 | ||||
5. Round | 08/07/2018 | New England Revolution | - | Seattle Sounders | 0:0 | ||||
5. Round | 26/07/2018 | San Jose Earthquakes | - | Seattle Sounders | 0:1 |