1. Round | 04/03/2018 | Seattle Sounders | - | Los Angeles FC | 0:1 | ||||
1. Round | 18/03/2018 | FC Dallas | - | Seattle Sounders | 3:0 | ||||
2. Round | 01/04/2018 | Seattle Sounders | - | Impact de Montréal | 0:1 | ||||
2. Round | 15/04/2018 | Sporting Kansas City | - | Seattle Sounders | 2:2 | ||||
3. Round | 05/05/2018 | Seattle Sounders | - | Columbus Crew | 0:0 | ||||
3. Round | 10/05/2018 | Toronto FC | - | Seattle Sounders | 1:2 | ||||
3. Round | 13/05/2018 | Portland Timbers | - | Seattle Sounders | 1:0 | ||||
3. Round | 26/05/2018 | Seattle Sounders | - | Real Salt Lake | 0:1 | ||||
7. Round | 29/09/2018 | Seattle Sounders | - | Colorado Rapids | 4:0 | ||||
8. Round | 09/10/2018 | Seattle Sounders | - | Houston Dynamo | 4:1 | ||||
8. Round | 18/10/2018 | Orlando City | - | Seattle Sounders | 1:2 | ||||
8. Round | 28/10/2018 | Seattle Sounders | - | San Jose Earthquakes | 2:1 |