| 3. Round | 24/06/2021 | Tacoma Defiance | - | Real Monarchs SLC | 1:1 | ||||
| 4. Round | 10/07/2021 | Real Monarchs SLC | - | El Paso Locomotive | 1:3 | ||||
| 4. Round | 19/07/2021 | Austin Bold | - | Real Monarchs SLC | 1:0 | ||||
| 6. Round | 02/09/2021 | San Antonio FC | - | Real Monarchs SLC | 3:2 |  |
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| 6. Round | 09/09/2021 | Colorado Springs Switchbacks | - | Real Monarchs SLC | 2:0 | ||||
| 6. Round | 12/09/2021 | Real Monarchs SLC | - | San Antonio FC | 0:1 | |
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| 6. Round | 19/09/2021 | New Mexico United | - | Real Monarchs SLC | 2:1 | ||||
| 7. Round | 16/10/2021 | Real Monarchs SLC | - | Austin Bold | 4:3 | ||||
| 7. Round | 23/10/2021 | Real Monarchs SLC | - | Colorado Springs Switchbacks | 1:1 |  |
USA
Mexico