Head to Head
| USA MLS | 2015/06/28 23:00 | Portland Timbers v Seattle Sounders | L | 4-1 |
| USA US Open Cup | 2015/06/17 02:30 | Seattle Sounders v Portland Timbers | L | 1-3 |
| USA MLS | 2015/04/27 01:30 | Seattle Sounders v Portland Timbers | W | 1-0 |
Home History
| CONCACAF Champions Cup | 2015/08/27 02:00 | CD Olimpia v Seattle Sounders | L | 1-0 |
| USA MLS | 2015/08/23 02:00 | Real Salt Lake v Seattle Sounders | L | 2-0 |
| CONCACAF Champions Cup | 2015/08/20 02:00 | Seattle Sounders v CD Olimpia | W | 2-1 |
| USA MLS | 2015/08/16 21:00 | Seattle Sounders v Orlando City SC | W | 4-0 |
| USA MLS | 2015/08/09 20:00 | LA Galaxy v Seattle Sounders | L | 3-1 |
| CONCACAF Champions Cup | 2015/08/06 02:00 | Vancouver Whitecaps v Seattle Sounders | D | 1-1 |
| USA MLS | 2015/08/02 02:00 | Seattle Sounders v Vancouver Whitecaps | L | 0-3 |
| USA MLS | 2015/07/26 00:00 | CF Montreal v Seattle Sounders | L | 1-0 |
Away History
| USA MLS | 2015/08/22 03:00 | Portland Timbers v Houston Dynamo | D | 2-2 |
| USA MLS | 2015/08/16 02:00 | Real Salt Lake v Portland Timbers | W | 0-1 |
| USA MLS | 2015/08/08 03:00 | Portland Timbers v Chicago Fire | W | 1-0 |
| USA MLS | 2015/08/02 21:00 | San Jose Earthquakes v Portland Timbers | D | 0-0 |
| USA MLS | 2015/07/26 01:00 | FC Dallas v Portland Timbers | L | 4-1 |
| USA MLS | 2015/07/19 02:30 | Portland Timbers v Vancouver Whitecaps | D | 1-1 |
| USA MLS | 2015/07/11 23:00 | Philadelphia Union v Portland Timbers | L | 3-0 |
| USA MLS | 2015/07/06 03:00 | Portland Timbers v San Jose Earthquakes | W | 1-0 |