| 1. Round | 12/03/2017 | Los Angeles Galaxy | - | Portland Timbers | 0:1 | ||||
| 4. Round | 11/06/2017 | Portland Timbers | - | FC Dallas | 2:0 | ||||
| 4. Round | 26/06/2017 | Portland Timbers | - | Seattle Sounders | 2:2 | ||||
| 5. Round | 02/07/2017 | Sporting Kansas City | - | Portland Timbers | 1:1 | ||||
| 5. Round | 06/07/2017 | Portland Timbers | - | Chicago Fire | 2:2 | ||||
| 5. Round | 20/07/2017 | Portland Timbers | - | Real Salt Lake | 1:4 | ||||
| 5. Round | 23/07/2017 | Vancouver Whitecaps | - | Portland Timbers | 1:2 |  |
USA