[8] Philadelphia Union 0-2 Atlanta United [1] 2018-07-07 23:00
Stadium: Subaru Park Round: 1
Referee: Ismail Elfath Home Manager: Jim Curtin Away Manager: Gerardo Martino
Head to Head
| USA MLS | 2018/06/02 23:30 | Atlanta United v Philadelphia Union | L | 3-1 |
| USA MLS | 2017/09/27 23:00 | Atlanta United v Philadelphia Union | L | 3-0 |
| USA MLS | 2017/08/26 23:00 | Philadelphia Union v Atlanta United | D | 2-2 |
Home History
| USA MLS | 2018/07/01 00:00 | Los Angeles FC v Philadelphia Union | L | 4-1 |
| USA MLS | 2018/06/23 21:00 | Philadelphia Union v Vancouver Whitecaps | W | 4-0 |
| USA US Open Cup | 2018/06/16 23:00 | Philadelphia Union v New York Red Bulls | W | 2-1 |
| USA MLS | 2018/06/09 00:00 | Philadelphia Union v Toronto FC | L | 0-2 |
| USA US Open Cup | 2018/06/05 23:00 | Philadelphia Union v Richmond Kickers | W | 5-0 |
| USA MLS | 2018/06/02 23:30 | Atlanta United v Philadelphia Union | L | 3-1 |
| USA MLS | 2018/05/30 23:30 | Philadelphia Union v Chicago Fire | W | 3-1 |
| USA MLS | 2018/05/26 23:00 | New York Red Bulls v Philadelphia Union | D | 0-0 |
Away History
| USA MLS | 2018/07/05 00:00 | FC Dallas v Atlanta United | L | 3-2 |
| USA MLS | 2018/06/30 23:00 | Atlanta United v Orlando City SC | W | 4-0 |
| USA MLS | 2018/06/24 20:30 | Atlanta United v Portland Timbers | D | 1-1 |
| USA US Open Cup | 2018/06/20 23:30 | Atlanta United v Chicago Fire | L | 0-1 |
| USA MLS | 2018/06/13 23:30 | Columbus Crew v Atlanta United | W | 0-2 |
| USA MLS | 2018/06/09 16:30 | New York City FC v Atlanta United | D | 1-1 |
| USA US Open Cup | 2018/06/06 23:30 | Atlanta United v Charleston Battery | W | 3-0 |
| USA MLS | 2018/06/02 23:30 | Atlanta United v Philadelphia Union | W | 3-1 |