2. Round | 17/09/2021 | Rentistas | - | Boston River | 1:2 | ||||
5. Round | 10/10/2021 | Boston River | - | Villa Española | 1:0 | ||||
6. Round | 16/10/2021 | Nacional | - | Boston River | 3:2 | ||||
7. Round | 21/10/2021 | Boston River | - | Cerrito | 3:2 | ||||
8. Round | 24/10/2021 | Liverpool | - | Boston River | 2:2 | ||||
9. Round | 30/10/2021 | Boston River | - | River Plate | 1:2 | ||||
10. Round | 04/11/2021 | Cerro Largo | - | Boston River | 1:1 |