| 2. Round | 27/05/2021 | Austin Bold | - | Real Monarchs SLC | 2:0 | ||||
| 3. Round | 13/06/2021 | Rio Grande Valley FC | - | Real Monarchs SLC | 1:0 | ||||
| 3. Round | 24/06/2021 | Tacoma Defiance | - | Real Monarchs SLC | 1:1 |  |
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| 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 |  |
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| 4. Round | 05/07/2021 | Colorado Springs Switchbacks | - | Real Monarchs SLC | 3:1 | ||||
| 4. Round | 01/08/2021 | El Paso Locomotive | - | Real Monarchs SLC | 3:1 | ||||
| 5. Round | 29/08/2021 | Indy Eleven | - | Real Monarchs SLC | 2:0 | ||||
| 6. Round | 02/09/2021 | San Antonio FC | - | Real Monarchs SLC | 3:2 | ||||
| 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 | ||||
| 6. Round | 16/09/2021 | Hartford Athletic | - | Real Monarchs SLC | 2:0 | ||||
| 6. Round | 30/09/2021 | El Paso Locomotive | - | Real Monarchs SLC | 1:0 | ||||
| 7. Round | 03/10/2021 | Rio Grande Valley FC | - | Real Monarchs SLC | 3:0 |
USA