Portland Timbers II 1-2 Seattle Sounders II 2017-08-18 02:30
Head to Head
| USA USL Championship | 2017/05/06 02:30 | Tacoma Defiance v Portland Timbers II | L | 2-0 |
| USA USL Championship | 2017/04/02 21:00 | Tacoma Defiance v Portland Timbers II | L | 2-1 |
| USA USL Championship | 2016/08/30 02:30 | Tacoma Defiance v Portland Timbers II | L | 2-1 |
| USA USL Championship | 2016/07/25 00:00 | Tacoma Defiance v Portland Timbers II | L | 1-0 |
| USA USL Championship | 2016/06/14 23:30 | Portland Timbers II v Tacoma Defiance | L | 1-2 |
| USA USL Championship | 2016/05/27 02:00 | Portland Timbers II v Tacoma Defiance | W | 1-0 |
| USA - US Open Cup | 2015/05/27 20:00 | Tacoma Defiance v Portland Timbers II | L | 2-1 |