| 2. Round | 15/05/2021 | Real Monarchs SLC | - | Los Angeles Galaxy II | 0:2 | ||||
| 3. Round | 05/06/2021 | Real Monarchs SLC | - | New Mexico United | 0:1 | ||||
| 3. Round | 13/06/2021 | Rio Grande Valley FC | - | Real Monarchs SLC | 1:0 | ||||
| 3. Round | 19/06/2021 | Real Monarchs SLC | - | El Paso Locomotive | 1:2 | ||||
| 3. Round | 27/06/2021 | Real Monarchs SLC | - | San Antonio FC | 1:1 | ||||
| 3. Round | 01/07/2021 | Real Monarchs SLC | - | New Mexico United | 3:2 | ||||
| 4. Round | 10/07/2021 | Real Monarchs SLC | - | El Paso Locomotive | 1:3 |
USA