| South America Champs U20 Women 21/10 | 2018/10/17 22:00 | Argentina U20 Women v Colombia U20 Women | W | 3-0 |
| South America Champs U20 Women 21/10 | 2018/10/21 23:00 | Argentina U20 Women v Brazil U20 Women | L | 2-3 |
| South America Champs U20 Women 21/10 | 2018/10/20 23:00 | Argentina U20 Women v Chile U20 Women | W | 3-0 |
| South America Champs U20 Women 21/10 | 2018/10/19 22:00 | Brazil U20 Women v Argentina U20 Women | W | 1-3 |
| South America Champs U20 Women 21/10 | 2018/10/18 20:00 | Argentina U20 Women v Bolivia U20 Women | W | 3-0 |
| South America Champs U20 Women 21/10 | 2018/10/17 22:00 | Argentina U20 Women v Colombia U20 Women | W | 3-0 |
| NORCECA Final Four U20 Women | 2018/09/10 01:00 | Argentina U20 Women v Dominican Rep U20 Women | L | 1-3 |
| NORCECA Final Four U20 Women | 2018/09/08 23:00 | Argentina U20 Women v Cuba U20 Women | W | 3-2 |
| NORCECA Final Four U20 Women | 2018/09/08 00:00 | Peru U20 Women v Argentina U20 Women | W | 0-3 |
| South America Champs U20 Women 21/10 | 2018/10/21 19:00 | Bolivia U20 Women v Colombia U20 Women | W | 0-3 |
| South America Champs U20 Women 21/10 | 2018/10/20 21:00 | Colombia U20 Women v Uruguay U20 Women | W | 3-0 |
| South America Champs U20 Women 21/10 | 2018/10/19 18:00 | Colombia U20 Women v Bolivia U20 Women | W | 3-0 |
| South America Champs U20 Women 21/10 | 2018/10/18 22:00 | Brazil U20 Women v Colombia U20 Women | L | 3-0 |
| South America Champs U20 Women 21/10 | 2018/10/17 22:00 | Argentina U20 Women v Colombia U20 Women | L | 3-0 |