| U20 World Cup 2019 Polen - Appearances as Assistant | ||||
| 24/05/2019 | Qatar | - | Nigeria | 0:4 |
| 28/05/2019 | South Africa | - | South Korea | 0:1 |
| 04/06/2019 | Argentina | - | Mali | 4:5 pso |
| U20 World Cup 2019 Polen - Appearances as Assistant | ||||
| 24/05/2019 | Qatar | - | Nigeria | 0:4 |
| 28/05/2019 | South Africa | - | South Korea | 0:1 |
| 04/06/2019 | Argentina | - | Mali | 4:5 pso |
| Complete name: | José Ibrahim Martínez Chavarria |
| Born: | 07/09/1959 |
| Place of birth: |
México, D.F., 
Mexico |
| Nationality: |
Mexico |
| Height: | 177 cm |
| Weight: | 69 kg |