[5] Seattle Sounders FC 0-1 Philadelphia Union [5] 2018-09-20 03:00
Stadium: CenturyLink Field Round: 1
Referee: Ismail Elfath Home Manager: Brian Schmetzer Away Manager: Jim Curtin
Head to Head
| USA - MLS | 2017/10/01 17:00 | Philadelphia Union v Seattle Sounders | L | 2-0 |
| USA - MLS | 2016/04/17 02:00 | Seattle Sounders v Philadelphia Union | W | 2-1 |
| USA - MLS | 2015/06/24 23:00 | Philadelphia Union v Seattle Sounders | L | 1-0 |
| USA - US Open Cup | 2014/09/16 23:30 | Philadelphia Union v Seattle Sounders | W | 1-3 |