| 2. Round | 09/04/2023 | Monterey Bay FC | - | New Mexico United | 4:2 | ||||
| 2. Round | 30/04/2023 | New Mexico United | - | Orange County SC | 3:1 | ||||
| 3. Round | 06/05/2023 | Rio Grande Valley FC | - | New Mexico United | 2:2 | ||||
| 3. Round | 14/05/2023 | New Mexico United | - | Monterey Bay FC | 2:1 |  |
|||
| 3. Round | 18/05/2023 | Loudoun United | - | New Mexico United | 1:3 | ||||
| 3. Round | 28/05/2023 | San Antonio FC | - | New Mexico United | 2:1 | ||||
| 4. Round | 04/06/2023 | New Mexico United | - | El Paso Locomotive | 0:1 | ||||
| 4. Round | 11/06/2023 | Tampa Bay Rowdies | - | New Mexico United | 3:2 |  |
|||
| 4. Round | 18/06/2023 | New Mexico United | - | Rio Grande Valley FC | 2:2 | ||||
| 4. Round | 22/06/2023 | New Mexico United | - | Phoenix Rising | 1:3 | ||||
| 4. Round | 25/06/2023 | New Mexico United | - | Colorado Springs Switchbacks | 2:1 | ||||
| 5. Round | 09/07/2023 | New Mexico United | - | Detroit City FC | 1:0 | |
USA