| Preolímpico Sudamericano 2020 Colombia - Appearances as Assistant | ||||
| 23/01/2020 | Brazil | - | Uruguay | 3:1 |
| 26/01/2020 | Paraguay | - | Peru | 2:3 |
| 29/01/2020 | Bolivia | - | Brazil | 3:5 |
| Preolímpico Sudamericano 2020 Colombia - Appearances as Assistant | ||||
| 23/01/2020 | Brazil | - | Uruguay | 3:1 |
| 26/01/2020 | Paraguay | - | Peru | 2:3 |
| 29/01/2020 | Bolivia | - | Brazil | 3:5 |
| Complete name: | Julio Javier Esteban Fernández |
| Born: | 27/07/1980 |
| Place of birth: |
Córdoba, 
Argentina |
| Nationality: |
Argentina |