[15] Boston River 2-0 IA Sud America [13] 2021-07-31 18:00
Stadium: Estadio Parque Artigas Round: 12
Referee: Mathias De Armas Home Manager: Ignacio Ithurralde Away Manager: Claudio Dario Biaggio
Head to Head
| Uruguay Clausura | 2017/11/22 20:00 | IA Sud America v Boston River | L | 1-0 |
| Uruguay Apertura | 2017/04/29 18:30 | Boston River v IA Sud America | W | 1-0 |
| Uruguay Apertura | 2016/10/08 19:00 | IA Sud America v Boston River | W | 0-1 |
Home History
| Uruguay Apertura | 2021/07/16 18:00 | Club Atletico Progreso v Boston River | L | 1-0 |
| Uruguay Apertura | 2021/07/11 15:15 | Boston River v Cerro Largo | W | 1-0 |
| Uruguay Apertura | 2021/07/03 17:00 | CA River Plate v Boston River | D | 1-1 |
| Uruguay Apertura | 2021/06/27 15:00 | Boston River v Liverpool Montevideo | D | 1-1 |
| Uruguay Apertura | 2021/06/22 22:30 | Cerrito v Boston River | L | 1-0 |
| Uruguay Apertura | 2021/06/19 18:00 | Boston River v Nacional De Football | D | 1-1 |
| Uruguay Apertura | 2021/06/14 18:00 | Villa Espanola v Boston River | D | 2-2 |
| Uruguay Apertura | 2021/06/06 15:45 | Boston River v Torque | L | 1-2 |
Away History
| Uruguay Apertura | 2021/07/24 18:00 | IA Sud America v Atletico Fenix Montevideo | D | 1-1 |
| Uruguay Apertura | 2021/07/10 18:00 | Plaza Colonia v IA Sud America | L | 1-0 |
| Uruguay Apertura | 2021/07/04 15:00 | Deportivo Maldonado v IA Sud America | W | 1-3 |
| Uruguay Apertura | 2021/06/29 18:00 | IA Sud America v Club Atletico Progreso | L | 2-4 |
| Uruguay Apertura | 2021/06/22 20:15 | Cerro Largo v IA Sud America | L | 2-1 |
| Uruguay Apertura | 2021/06/19 13:00 | IA Sud America v CA River Plate | L | 1-2 |
| Uruguay Apertura | 2021/06/11 18:00 | Liverpool Montevideo v IA Sud America | L | 5-0 |
| Uruguay Apertura | 2021/06/05 20:15 | IA Sud America v Cerrito | D | 0-0 |