| 3. Round | 13/06/2021 | Phoenix Rising | - | Tacoma Defiance | 3:0 | ||||
| 3. Round | 17/06/2021 | Colorado Springs Switchbacks | - | Tacoma Defiance | 4:2 | ||||
| 6. Round | 03/09/2021 | Tacoma Defiance | - | Las Vegas Lights FC | 2:1 | ||||
| 6. Round | 19/09/2021 | San Diego Loyal | - | Tacoma Defiance | 1:0 | ||||
| 7. Round | 14/10/2021 | Tacoma Defiance | - | Las Vegas Lights FC | 0:1 |
USA