| Uruguay - Reserve League | 2020/09/15 18:00 | Boston River - Reserves v Atletico River Plate Reserves | L | 1-3 |
| Uruguay - Reserve League | 2019/11/28 19:00 | Atletico River Plate Reserves v Boston River - Reserves | L | 4-2 |
| Uruguay - Reserve League | 2019/03/05 19:00 | Boston River - Reserves v Atletico River Plate Reserves | L | 1-2 |
| Uruguay - Reserve League | 2018/11/16 18:00 | Boston River - Reserves v Atletico River Plate Reserves | L | 1-3 |
| Uruguay - Reserve League | 2018/02/03 17:15 | Atletico River Plate Reserves v Boston River - Reserves | W | 2-4 |
| Uruguay - Reserve League | 2017/11/07 19:00 | Atletico River Plate Reserves v Boston River - Reserves | W | 0-1 |
| Uruguay - Reserve League | 2017/05/29 18:00 | Boston River - Reserves v Atletico River Plate Reserves | W | 1-0 |
| Uruguay - Reserve League | 2021/08/23 18:00 | Boston River - Reserves v Cerrito - Reserves | D | 2-2 |
| Uruguay - Reserve League | 2021/08/03 18:00 | Boston River - Reserves v Villa Espanola - Reserves | D | 1-1 |
| Uruguay - Reserve League | 2021/07/26 18:00 | Torque - Reserves v Boston River - Reserves | W | 0-4 |
| Uruguay - Reserve League | 2021/07/19 18:00 | Boston River - Reserves v Penarol - Reserves | W | 3-2 |
| Uruguay - Reserve League | 2021/07/13 18:00 | Rentistas - Reserves v Boston River - Reserves | D | 2-2 |
| Uruguay - Reserve League | 2021/07/05 18:00 | Boston River - Reserves v Montevideo Wanderers - Reserves | L | 0-2 |
| Uruguay - Reserve League | 2020/12/09 19:00 | Boston River - Reserves v Nacional de Montevideo - Reserves | L | 0-5 |
| Uruguay - Reserve League | 2020/11/03 18:00 | Boston River - Reserves v Defensor Sporting - Reserves | W | 2-1 |
| Uruguay - Reserve League | 2021/08/31 18:00 | Atletico River Plate Reserves v Atletico Fenix - Reserves | L | 0-2 |
| Uruguay - Reserve League | 2021/08/23 14:00 | Plaza Colonia - Reserves v Atletico River Plate Reserves | W | 1-3 |
| Uruguay - Reserve League | 2021/08/17 13:00 | Atletico River Plate Reserves v Sud America - Reserves | W | 3-0 |
| Uruguay - Reserve League | 2021/07/27 18:00 | Atletico River Plate Reserves v Cerro Largo - Reserves | L | 1-3 |
| Uruguay - Reserve League | 2021/07/20 16:00 | Atletico River Plate Reserves v Deportivo Maldonado - Reserves | L | 1-3 |
| Uruguay - Reserve League | 2021/07/06 13:00 | Atletico River Plate Reserves v Cerrito - Reserves | W | 3-2 |
| Uruguay - Reserve League | 2020/12/09 19:00 | Atletico River Plate Reserves v Plaza Colonia - Reserves | L | 0-3 |
| Uruguay - Reserve League | 2020/11/10 19:00 | Atletico River Plate Reserves v Penarol - Reserves | L | 1-3 |