| U20 Campeonato Sudamericano 2023 Colombia - Appearances as Assistant | ||||
| 20/01/2023 | Colombia | - | Paraguay | 1:1 |
| 24/01/2023 | Argentina | - | Brazil | 1:3 |
| 28/01/2023 | Brazil | - | Paraguay | 2:1 |
| 09/02/2023 | Ecuador | - | Venezuela | 1:1 |
| U20 Campeonato Sudamericano 2023 Colombia - Appearances as Assistant | ||||
| 20/01/2023 | Colombia | - | Paraguay | 1:1 |
| 24/01/2023 | Argentina | - | Brazil | 1:3 |
| 28/01/2023 | Brazil | - | Paraguay | 2:1 |
| 09/02/2023 | Ecuador | - | Venezuela | 1:1 |
| Complete name: | Andrés Nievas |
| Born: | 06/10/1989 |
| Place of birth: |
Uruguay |
| Nationality: |
Uruguay |